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0:00
This episode is brought
0:02
to you by
0:05
Colorado Northwestern Community
0:07
College. Join them
0:09
for two weeks
0:11
digging up dinosaur
0:13
bones from the
0:16
Jurassic period
0:18
in Northwest Colorado
0:20
this summer. For
0:23
details go to CNNcc.ed.EDU
0:25
slash Dino Dig. I'm
0:28
Garrett and I'm Sabrina.
0:30
And today in our
0:32
534th episode, we've got
0:34
some news, including a
0:37
new carcaredontosaurid. We also
0:39
have a correction from
0:41
our book, which is
0:43
about carcaredontosaurus. Yes. We're
0:46
going to announce our Dynodules
0:48
winner, and we have Dinosaur
0:50
of the Day, Dakota Don,
0:52
not to be confused with
0:54
Iguanodon. There's also
0:56
a... Fun fact, which is
0:59
that the new caradontosord was
1:01
almost named Alasaurus, or something
1:04
that sounds a lot like
1:06
Alasaurus. Spelled slightly differently,
1:08
but fortunately that possible
1:11
error in judgment was avoided.
1:13
But before we get into
1:15
all of that, as always, we'd like
1:17
to thank some of our patrons, and
1:20
this week we have 10 new
1:22
patrons to thank, and they are
1:24
Matt, Anthony, Michelle, Francisco.
1:26
Or as one of our daughters
1:28
would say, Franskisko,
1:30
Jason, Karibdis, Heavy,
1:32
Devisi, Amelia, Argragarg,
1:35
and Nick's Ako. Thank
1:37
you all very much for joining.
1:39
Yes, thank you so much. We
1:42
really appreciate our community.
1:44
And I like the
1:46
reference to the Hitchhiker's Guide
1:48
with Argragarg. Yeah. And
1:51
I also like the
1:53
Greek Sea Monster, Karibdis.
1:55
I love all the Greek mythology stuff.
1:57
Lots of good references in these
1:59
names. And as a reminder, if you'd
2:01
like us to change your shout-out name
2:03
at any time, you can send us
2:05
a message in Patreon and we will update
2:07
it. And if you want to join and be
2:10
a Dino at all, then head over to
2:12
patreon.com slash, I know Dino. And also,
2:14
just as a side note, real quick, we
2:16
are running our annual listener survey, so if
2:18
you want to let us know about what
2:20
you like about the show and ways that
2:23
we could make it even better, then head
2:25
over to bit.Y slash IKD Survey Survey
2:27
Survey Survey. Yeah, it's kind of funny.
2:29
It's almost like we're doing it
2:31
on a fiscal year and it's
2:33
April. So we're doing our annual
2:35
things in April rather than doing
2:38
it on a calendar year basis
2:40
in December. We'll probably change back
2:42
to calendar year next time. Speaking
2:44
of our community, we want to
2:46
thank Tomborex for pointing out. the
2:49
error in our National Geographic kids
2:51
book that just came out. It didn't
2:53
take long. No. What was it like the
2:55
day after it came out if we find
2:57
out about the first error in it? That's
3:00
awesome that someone read the book that
3:02
fast. Thank you and thank you for supporting
3:04
us by buying the book. Yes. And
3:06
thank you for pointing it out because I
3:08
mean errors happen but it's good to
3:11
know so we can fix it because we
3:13
did alert our publisher. It'll be fixed in
3:15
reprints. Oh they told us that.
3:18
It's good. And the error is
3:20
that Giganatosaurus in the little fast
3:22
facts box says that it was
3:25
a late Jurassic dinosaur? Yes. Which
3:27
is unfortunate. It is. We think that
3:29
it was probably a copy and paste error
3:31
because when you're doing all those fancy graphics,
3:33
a lot of times the easiest way to
3:36
get it on every page is to copy
3:38
and paste it. I know I do with
3:40
that all the time in different forms. It
3:42
does look really cool. I like the fast
3:45
fact section. It's got a cool little map
3:47
that shows where in the world it was
3:49
discovered and all that. And I remember carefully
3:51
looking at all the maps to make sure
3:54
that little dot was in just the right
3:56
place. But unfortunately it looks like in the
3:58
copy and pasting process. the maybe
4:00
diploticus one got maybe that was
4:02
the one that was getting copy
4:05
and pasted because I think it
4:07
had the exact year range that
4:09
ended up in the giganadisora
4:12
spread so I think it was one
4:14
of those things where you copy and
4:16
paste something 50 times yeah and you
4:18
just missed the one so our bad
4:21
we missed it yeah we didn't notice
4:23
it during the step when we
4:25
had the almost final draft for
4:27
review That's it. We did have
4:29
expert reviewers and fact checkers for this
4:31
book. It's just sometimes the things were
4:34
checked in a word doc format and sometimes
4:36
they were checked when it was more of
4:38
the final layout. Yeah, and we noticed
4:40
some other things on that same page
4:42
I was looking at my notes. I
4:44
corrected something that said it was 162
4:47
centimeters, I was like that should say
4:49
163 centimeters long just to be complete,
4:51
but I missed the late Jurassic versus
4:53
late Cretaceous thing on the same page.
4:55
It's frustrating. Miss the other detail. Yeah.
4:58
Well, I'm glad it'll be corrected in
5:00
the reprints. Yes. And I also like
5:02
that in the same spread, we mentioned
5:04
that lived about 30 million years before
5:06
T-Rex. So if you look at that,
5:09
you might think, wait, T-Rex was 66
5:11
million years ago, and this says it's
5:13
from the late Jurassic, that doesn't add
5:15
up, and maybe hopefully people will notice
5:18
which one is the mistake. It was
5:20
all done on purpose to test whether you
5:22
would catch the error or not the error
5:24
or not. critical thinking. Yes, that's what
5:26
it is. We do mention in the
5:28
book that there are going to be
5:30
mistakes or rather there will be changes
5:33
and some of the things in the
5:35
book will be inaccurate eventually. We didn't
5:37
think it would necessarily be this soon
5:39
and in this way, but you know, it is what
5:41
it is. Yes, well, but thank you again,
5:44
Timrex for letting us know. I do
5:46
want to thank the whole team at
5:48
National Geographic Kids though because Yes, we
5:50
have the one error. I'm glad it's
5:52
going to be fixed in the reprints,
5:54
but we are so happy with how
5:57
the book came out. Mm-hmm. It is
5:59
so pretty. Yeah. There were so
6:01
many people that worked on
6:03
it. Of course, there's the
6:05
artist, Franco Tempesta, who did
6:08
an amazing job with all
6:10
of the illustrations, and our
6:12
editor, Katie, our expert reviewers,
6:15
Tito and Aline, who caught so
6:17
many things for us. Oh, yeah.
6:19
And the whole team at NatGio
6:22
Kids, Catherine the Fact Checker, There
6:24
was another editor Christina who helped
6:26
us, Lisa Lori, and so many
6:28
others on the marketing team, just
6:31
everybody we really appreciate. And
6:33
of course our Velasa readers and
6:35
our community for supporting us with
6:38
this book, like just the amount
6:40
of support and help we've gotten
6:42
for this book has been so
6:44
heartwarming. So thank you. And if there
6:46
are other errors, we'll be mad at
6:49
ourselves for missing them, but we do
6:51
appreciate knowing that they're out there.
6:53
Dino questions. If you have any
6:55
feedback about the book, or if you really
6:58
like the book, you could give us
7:00
a review wherever you got it. That
7:02
would be very helpful. Yes. I don't
7:04
think we have any reviews on Amazon
7:07
yet as of this recording. And those
7:09
are very helpful. They are. Hint hint
7:11
hint. But yeah, I'm super pumped with
7:13
the book. I was so happy with
7:15
how it turned out. I love looking
7:18
at all the pictures in it. It's
7:20
almost all new art. It's just so
7:22
cool. And that one error is pretty
7:24
minor, I think, in the grand scheme
7:26
of things? Well, I'm annoyed at us
7:28
for not noticing. Yeah, it's an easy
7:30
one to catch, unfortunately. It's not like
7:32
some length estimate or something that
7:35
you have to actually look up.
7:37
This is one that we know
7:39
just by looking at it, like,
7:41
oh no, that's not a Jurassic
7:43
dinosaur. That's a gratacious dinosaur.
7:45
What are we thinking? And now
7:48
it's time for the stunning conclusion
7:50
of our dinosaurs championship. All right.
7:52
Who won? Well first we need
7:54
a recap on where we were.
7:56
Sure sure. So I believe I
7:58
had 19 points. and you had
8:01
15 points going in. I'll take your
8:03
word for it. I'm pretty sure.
8:05
But regardless, the championship is
8:07
worth eight points. So it
8:09
was gonna come down to
8:11
who selected the correct dinosaur
8:14
for the championship, the
8:16
championship, of course, being
8:18
between giraffe Titan and Tyrannosaurus.
8:21
And the winner was
8:23
giraffe Titan. What? Whoa. Did you
8:25
not expect that? I did. That
8:27
was the one that I picked.
8:29
as the championship winner. I thought
8:31
there might be an upset with
8:33
your appetite. Well, well done. Yeah, so I
8:35
got a total of 27 points in my
8:37
bracket out of a possible 32. And you
8:39
won. Yeah, I definitely won
8:42
against you. I don't know if I
8:44
would have won overall. I think I
8:46
might have. I'm going to have to
8:48
run the numbers. But I think you
8:50
ended up with a total of 15
8:52
points because that last one is worth
8:54
eight points just for the one guess.
8:57
So even though we got a similar
8:59
number of... match-ups right. You got most
9:01
of yours right in the first round.
9:03
I got all this later rounds right,
9:05
right, which is the way to go, if
9:07
you can choose. So yeah, giraffe tighten
9:09
pulled off the big upset. It
9:11
was a very close race. I
9:14
was checking in on it periodically
9:16
to see how well giraffe tighten was
9:18
doing, because I was hoping giraffe
9:20
tighten would pull it off. And
9:22
there were a lot of comments
9:25
going back and forth on whether
9:27
or not... T-Rex should win if
9:29
T-Rex is the best or if
9:32
giraffe- tighten should win and I
9:34
liked Ryan the biochemist at the
9:36
end said all hail the new
9:39
king of the dinosaurs. I'm
9:41
not not mad about it
9:43
being a sore pod. Yeah, but are
9:45
you mad that you doubted
9:47
your favorite group and didn't
9:50
have it go to the finale?
9:52
What are you trying to
9:54
like fuel the fire or
9:57
something? I'm happy I saw a
9:59
pod one because I won. There
10:01
wasn't an enchilosor, so if there
10:03
had been an enchilosor, I might
10:05
have been tempted to put that
10:07
one all the way to the
10:09
end, and then I would have
10:11
really lost. But yeah, giraffe Titan
10:13
won the 2025 Dino Dules Mesozoic
10:15
Championship, as I like to call
10:17
it. Nice. If this was popular,
10:19
we'll find out during our survey,
10:21
but if it was popular, we
10:24
might do this again next year
10:26
and just use... the top 16
10:28
dinosaurs from 2025, I think it
10:30
would be fun to have a
10:32
more even playing field of all
10:34
new dinosaurs. So none of them
10:36
have any extra name recognition, because
10:38
none of them will be super
10:40
well known. Unless there's a new
10:42
tyrannosaur species or something. Yeah, I
10:44
guess that's always possible. But then
10:46
as we've seen today. It doesn't
10:48
necessarily mean that it'll win just
10:50
because it's a new tyrannosaurus. True.
10:52
But it is likely that it
10:54
would make it at least a
10:56
couple rounds in. We have to
10:59
figure out how we would sort
11:01
them, because we did this one,
11:03
you know, Triassic, Jurassic, and Lake
11:05
Cretaceous. But if we're doing it
11:07
based on a year worth of
11:09
dinosaurs, there's a high probability that
11:11
those wouldn't be so even. Maybe
11:13
we just throw one into a
11:15
bucket that it doesn't really belong
11:17
in. I don't know. We'll have
11:19
to see. Well, I'll also have
11:21
to see if people even like
11:23
this. But next week we will
11:25
announce the winner. I just need
11:27
to check with the winner if
11:29
they want to be officially recognized
11:31
before I share who won. So
11:34
stay tuned for that. So because
11:36
there's that mistake in our book,
11:38
I decided we should do a
11:40
caradontosaurid today to appease the caradontosaurus
11:42
fans, maybe, or at least do
11:44
a little something. Make it up
11:46
a little bit. Yeah, hopefully. So
11:48
there is a new caradontosaurid species
11:50
that was named. The name is
11:52
the only way though that this
11:54
caradontosaurid is new. The bones obviously
11:56
are over 95 million years old
11:58
from the criteria. not the Jurassic.
12:00
They were dug up over a
12:02
hundred years ago and no one
12:04
has even seen these bones in
12:06
over 80 years. So it's all
12:09
around old. This might sound similar
12:11
to another dinosaur. The fossils
12:13
were found on an expedition led
12:16
by Ernst Stromor a
12:18
hundred and fourteen years.
12:20
Stromer's collection was stored
12:22
at the Bavarian State
12:24
College of Paleontology in
12:26
Munich. Stromer and his
12:28
colleagues, especially Richard Mark Graf,
12:31
spent years searching for fossils
12:33
in Africa. Like many dinosaur
12:35
paleontologists, Stromer started out looking
12:38
for mammal remains. And then he
12:40
found dinosaurs, including Spinosaurus.
12:42
Yep. Specifically, he was looking
12:45
for human remains. He correctly
12:47
subscribed to the hypothesis that
12:49
the first humans evolved in
12:51
Africa, and he wanted to find some
12:54
of those remains. The most relevant site
12:56
that he explored is the Bahari
12:58
oasis in Egypt, west of Cairo.
13:00
He went there because he thought the
13:02
rock there was from the Eocene,
13:04
which was well after non-avian dinosaurs
13:06
went extinct. But it turns out that
13:08
area, the formation was way older. Yes,
13:10
fortunately for us, the formation was about
13:12
twice as old as he thought, dating
13:14
back to right in the middle of
13:16
the Cretaceous, which is about 100 million
13:18
years ago. Not... a hundred and
13:21
fifty million years ago in the
13:23
late Jurassic. Like our book says,
13:25
from 1910 to 1914, Strommer and
13:27
really mostly Markraff found fossils from
13:29
sharks, turtles, crocodilians, and dinosaurs in
13:31
the area, but it took years
13:34
for some of the fossils to
13:36
make it back to Germany. At the
13:38
time of their expeditions, Egypt was
13:40
controlled by the British and
13:42
political tensions between Britain and
13:45
Germany prevented transporting the fossils
13:47
back to Germany. for quite a
13:49
while. In 1915 in the middle of
13:51
World War I, Stromer named
13:54
Spinosaurs Egypticus from some of
13:56
the remains that were found
13:58
in the Baharia oasis. The species
14:00
name Egypticus is after Egypt. And
14:02
then after World War I ended,
14:04
he eventually arranged transport to Munich
14:06
in 1922 of some of the
14:09
other dinosaur fossils. It took some
14:11
time because of the war. Yes.
14:13
A couple years later in Algeria,
14:15
which was then controlled by the
14:17
French, geologist Charles Depare and Justin
14:19
Sauvornen found another large carnivorous dinosaur,
14:21
as was the fashion. They named
14:23
it as a species of megalosaurus.
14:26
They will wastebasket tax it. Yeah,
14:28
it's a big cardivore, let's name
14:30
it after megalosaurus, Saharicus, in 1925.
14:32
Sahara Desert? Yeah, Saharicus was after
14:34
the Sahara Desert, where it was
14:36
found. Stromer noticed the teeth from
14:38
his old collection, at least some
14:41
of the teeth, matched the new
14:43
quote-unquote megalosaurus species, and he assigned
14:45
his fine to that species. But
14:47
in the process, he recognized that
14:49
it shouldn't be called a species
14:51
of megalosaurus, because it really didn't
14:53
seem all that similar to megalosaurus,
14:55
other than being a large carnivore.
14:58
So he came up with the
15:00
new name, Karkaradontosaurus. And that's after
15:02
the great white genus, Karkarodon. Hmm.
15:04
There's a case of learning from
15:06
the teeth. Yes. Sometimes dinosaurs were
15:08
named just on teeth, and, you
15:10
know, later on, it's found that's
15:12
not enough. Yeah. Well, well, well,
15:15
that's basically the case here, here,
15:17
here, Previously, megalosaurus a hericus, fine
15:19
was basically the teeth. And he
15:21
thought those teeth were similar to
15:23
great white teeth, which means, in
15:25
a way, you can think of
15:27
carcarodontosaurus as a great white shark
15:30
that roamed on land. A land
15:32
shark. I feel like there's a
15:34
cartoon of sharks that did that.
15:36
There's street sharks, which is a
15:38
cartoon. There's also an S&L sketch
15:40
called land shark. I think I
15:42
was thinking of street sharks. Yeah.
15:44
I watched street sharks as a
15:47
kid. It used to kind of
15:49
scare me a scare me a
15:51
scare me a little bit. But
15:53
back to carcarodontosaurus, it actually was
15:55
more ferocious, I would say that
15:57
a great white shark, the... are
15:59
more impressive, almost more like a
16:01
megalodon tooth than a great white
16:04
tooth. Stromer did not change the
16:06
species name because there was no
16:08
reason to change the species name,
16:10
so the official name became Carcaredontosaurus
16:13
Sohericus, which is interesting because the
16:15
holotype was from the Sahara
16:17
Desert and Stromers was another
16:19
example that was from Egypt,
16:21
whereas with spinosaurus today it's kind
16:24
of going the other way around where we
16:26
have the original from one place going the
16:28
other way. Unfortunately, most of
16:30
Stromer's fossils were lost from the
16:32
Allied bombing during World War II.
16:34
For those who aren't familiar, the
16:36
allies, mostly Britain's Royal Air Force
16:39
and the U.S. Air Force, basically
16:41
destroyed Munich, including many priceless dinosaur
16:44
fossils in 1944. Including the holotype
16:46
of Spinoos. Yes. And the most
16:48
frustrating part is that it was
16:50
completely avoidable. Besides the obvious that
16:52
the allies could have just chosen
16:54
not to carpet bomb the entire
16:57
city. There was an initial bombing in
16:59
1940, a much smaller bombing, and it
17:01
was an attempt by the Royal Air
17:03
Force to kill Hitler. They bombed the
17:05
hall where he made a speech on
17:07
the night of November 9th, 1940, but
17:10
unfortunately it was a few minutes after
17:12
Hitler finished a speech and he escaped
17:14
unscathed. Probably partly because of
17:16
this bombing, Ernst Romer tried to
17:18
get his collection moved to a
17:20
safer location. Oh, yes, but the
17:22
Nazis didn't like him. Actually they...
17:24
punished him in many ways, including
17:27
sending his sons to the front
17:29
lines. Yeah, because he didn't get
17:31
along with the Nazi policies, right?
17:33
Mm-hmm. And I think he openly
17:35
spoke about it. Which now makes him
17:37
kind of a hero, but at the
17:39
time was risky behavior in Munich.
17:42
But then four years later in
17:44
1945, the allies decided to completely
17:46
carpet bomb the city of Munich.
17:49
One reason I could find is
17:51
that the city was a
17:53
major center of engine production.
17:55
It's where BMW, Bavarian Motor
17:57
Works, is and was headquartered.
17:59
They made... lots of engines for
18:01
planes and other machines that were used
18:03
in World War II. There were also
18:06
strategic airports around the
18:08
Munich area, including Oberfafen-Hofen,
18:11
to the southwest. Hopefully I got
18:13
that pronunciation right. That airport
18:16
was the location of the
18:18
Dornier plant, which produced the
18:20
Luftwafa's fastest piston engine aircraft
18:22
in World War II, which
18:25
is the Dornier-D-O-335, case you're
18:27
curious. It used a pair of
18:29
V-12s, one at the front and one
18:31
at the back of the plane in
18:34
a push-pull configuration, which is kind of
18:36
interesting. It had over 1,700 horsepower and
18:38
it could reach 474 miles an hour,
18:40
763 kilometers an hour. That's pretty fast.
18:43
Although there were much faster jet and
18:45
rocket-powered aircraft. Sorry, that was just a
18:47
random World War II aside because I
18:49
can't help it. Because you're a dad
18:52
now? Yeah. There's a joke that Malaney
18:54
made that every dad has to be
18:56
a World War II expert. due diligence.
18:58
Studying for some kind of trivia contest
19:00
in the future. It will happen at some
19:03
point. So it's possible that the development of
19:05
that aircraft and others like it was
19:07
the motivation for the bombing, but even
19:09
if that was the motivation, it didn't
19:11
really work. The first 10 examples of
19:13
that plane were completed just the next
19:15
month. So even though they carpet bombed
19:17
so much so much, it really didn't
19:20
slow much down. Unfortunately, another
19:22
likely reason, and maybe a more likely
19:24
reason for the indiscriminate bombing, is that
19:26
Munich is considered the Nazi party's birthplace,
19:28
so destroying it was seen as useful
19:30
propaganda for the allies, so they probably
19:32
just wanted to basically wipe Munich off
19:34
the face of the earth and show
19:36
a bunch of pictures of it and
19:38
be like, look, we destroyed the Nazi
19:40
thing without thinking about the people that
19:43
lived there, including people like Stromer, who
19:45
wanted nothing to do with the Nazi
19:47
party. So the bombing of Munich
19:49
killed thousands of people, wounded over 10,000,
19:51
and destroyed over 90% of the old
19:53
part of the city. That destruction included
19:56
most of the Bavarian state
19:58
collection of paleontology. which of
20:00
course included spinosaurus, the
20:03
titanosaurid giptosaurus, and the
20:05
caradontosaurid material that we've
20:07
been talking about. Luckily though,
20:09
the endocast of the braincase
20:11
from the skull of the
20:13
carcadontosaur material survived. And that's
20:15
basically the only surviving
20:17
piece of the carcaredontosaur material
20:20
is that braincase. Not terrible.
20:22
I should say endocast of the braincase.
20:24
No, it's not the worst thing to have
20:26
for sure. And then more recently a
20:29
surviving photo of a mounted specimen
20:31
was discovered. Oh, that's nice. It's
20:33
kind of like how there's photos of
20:35
the Spinosaurus mounted too. Oh, there are?
20:37
I was thinking we only had drawings of
20:40
it. There's at least one photo.
20:42
Oh, cool. So this photo is
20:44
up close. It reminds me a
20:46
lot, actually, ironically, of the megalosaurus
20:48
mount up in Oxford, where it's
20:50
basically a leg with partial hips
20:52
and there's also a couple vertebra.
20:54
and a little bit of skull
20:56
material with it. It's very similar
20:58
to that megalosaurous mount in a lot
21:01
of ways. But like that megalosaurous
21:03
mount, there's a fair amount of diagnostic
21:05
information in those bones. So
21:08
this photograph is good enough that
21:10
Kellerman and others just named a
21:12
new caradontosord in plus one based
21:14
largely on that photo and also
21:16
on the endocast of the brain
21:18
case. So that carcaredontosaurid is
21:20
no longer considered to
21:23
be... Carcaredontososos, Saharicus. They
21:25
named it Tamari raptor,
21:27
with the explanation of quote,
21:30
meaning thief from the beloved
21:32
land is a combination of
21:34
one of the more informal
21:36
ancient Egyptian names for Egypt,
21:39
Tamari, meaning beloved land,
21:41
and the Latin word for thief,
21:43
raptor. And then Markraphi is, quote,
21:46
in reference to Richard Markraph,
21:48
the Austrian fossil collector who
21:50
discovered most of the dinosaur
21:52
remains described by Stromer, end
21:54
quote. Yes, they worked very closely together
21:56
for many years and had a
21:58
lot of exchanges. over the years
22:01
during the war. Yeah, I believe
22:03
Markraf had been living in Egypt
22:05
for a while. I saw one
22:07
account that he was living there
22:09
for maybe a decade before Stromer
22:11
and him started working together, like
22:14
around the year 1900, doing other
22:16
work before they started working together.
22:18
And by war, I mean, World
22:20
War I. Yeah, because it's research
22:22
spans both wars. So those original
22:25
carcaredontososaurus teeth that were called megalosaurus
22:27
saharicus by deparae back in 1925
22:29
have since been lost and are
22:31
likely not diagnostic enough to name
22:33
a genus anyway. Oh yeah, teeth.
22:36
Yeah, unlike mammals, which Stromer was
22:38
initially more familiar with. So in
22:40
1995 a nearly complete skull was
22:42
found in the Kemkemkem beds of
22:44
Morocco and then in 2007 it
22:46
was officially designated as the neotype
22:49
for carcarysaurus saharosaurus saharicus. replacing the
22:51
holotype as the type specimen and
22:53
the one that is the official
22:55
designated keeper of that name that
22:57
all the future discoveries have to
23:00
be compared against? Because the stronger
23:02
material is older, there could be
23:04
an argument that it should be
23:06
the holotype, but the authors were
23:08
happy to give it a new
23:11
name instead. Neither the older stronger
23:13
material or the neotype material is
23:15
from the same location in Algeria.
23:17
So neither of them have a
23:19
great argument for being the neotype.
23:21
But if anything, the Moroccan neotype
23:24
is closer, at least geographically. I'm
23:26
not entirely sure about the exact
23:28
age comparison of the specimens. The
23:30
authors also say that the material
23:32
in the one that was named
23:35
the neotype in Morocco is more
23:37
similar physically to what we know
23:39
of the original holotype. So it's
23:41
a more suitable neotype. But in
23:43
any event... This new slash old
23:46
carcarant Dante Sored, Tomery Raptor, has
23:48
several differences that you can see
23:50
from the photo. The most obvious
23:52
one is a, quote, horn-like rugosity
23:54
on the nasal. Oh. So a
23:57
rough horn-like thing on the snout?
23:59
Yes. Some people have called it
24:01
a quote-unquote horned dinosaur, which is
24:03
upsetting to me because that is
24:05
the shorthand for a seratopsian. Yeah,
24:07
except now we know seratopsians aren't
24:10
named for their horns. Yeah, I
24:12
know. They're named for their rostrum,
24:14
their beaks. But nobody calls seratopsians,
24:16
the beaked dinosaurs. But this horn
24:18
also is only about an inch
24:21
or three centimeters tall. It could
24:23
have been longer in life, especially
24:25
with a caroten covering, but a
24:27
couple of inches of horn on
24:29
a skull that's four or five
24:32
feet long isn't exactly the main
24:34
feature of the skull. I would
24:36
argue it's the huge mouthful of
24:38
serrated teeth. That's what the prey
24:40
would be looking at. Yeah. Although
24:42
maybe potential suitable mates would be
24:45
looking at that horned and focused
24:47
on that. I don't know. Without
24:49
the caroten sheath. The horn on
24:51
its snout is about the same
24:53
size as one of its teeth,
24:56
just the erupted part of the
24:58
tooth, not including the root. With
25:00
the sheath, it's probably more like
25:02
the size of the tooth, including
25:04
the root. So it's kind of
25:07
a tooth-like projection, almost. You can
25:09
look at it that way. Probably
25:11
wasn't serrated, but yeah. The horn
25:13
is located right in the middle
25:15
of the snout, about halfway between
25:18
the nostrils and the nostrils and
25:20
the eyes, and there's just the
25:22
one in the one in the
25:24
middle. It also did have a
25:26
pair of ridges, one above each
25:28
eye, sort of looking like angry
25:31
eyebrows as a lot of these
25:33
allesoroids had. And another feature that
25:35
it had, which was different than
25:37
carcaredontosaurus saharicus, is that Tamary raptor
25:39
has a larger cerebrum. That's one
25:42
of the features that we can
25:44
tell because we have that surviving
25:46
endocast of the brain and then
25:48
the neotype of carcaryontosaurus saharicus has
25:50
a good enough skull. that we
25:53
can compare the cerebrum, which is
25:55
pretty cool. Overall, the size of
25:57
Tamari raptor is smaller than the
25:59
carcarydontosaurus ahericus neotype, the maxilla, the
26:01
bone on the upper jaw that
26:03
holds the teeth, if complete. would
26:06
probably be about 70 centimeters or
26:08
28 inches long, and it probably
26:10
would have had about 12 or
26:12
13 teeth in each Maxilla. So
26:14
you're talking about similar number of
26:17
teeth really to T-Rex, and that
26:19
same ballpark, also large and serrated.
26:21
Stromor estimated that this Tamery raptor,
26:23
back when he was calling it
26:25
Karcare Datsaurus, was about eight or
26:28
nine meters, or about 26 to
26:30
30 feet in overall body length.
26:32
Pretty good size. And it seems
26:34
like a pretty good estimate too,
26:36
saying that it's a little bit
26:38
smaller than the caradontosaurus neotype, which
26:41
is more in the 40-foot type
26:43
ballpark. The interesting piece to me
26:45
is the last sentence of the
26:47
abstract, which says, quote, the theropods
26:49
of the Baharia oasis and the
26:52
Moroccan Kemkim group are thus not
26:54
as closely related as previously thought,
26:56
and the proposed faunal similarities between
26:58
these two strata need further examination,
27:00
end quote. Oh, Spino-Saurus. I know,
27:03
and that's something I've been saying.
27:05
So, like most people, I get
27:07
excited when something confirms something I've
27:09
been saying. I was very excited
27:11
by this, because I've been saying
27:14
for a little while, we shouldn't
27:16
be naming Spino-Saurus egypticus from a
27:18
different specimen in the chem-cam beds
27:20
in Morocco, when it's literally Egypt-Egypt
27:22
Spino-Saurus. Might we want a neotype
27:24
from Morocco, when Dale Russell... named
27:27
Spinosaurus Moroccanus, you know, Spinosaurus from
27:29
Morocco a while back, I don't
27:31
see any reason to name a
27:33
neotype from Morocco, especially when we're
27:35
seeing things like, they didn't have
27:38
the same carcaredontosaur, there's good reason
27:40
to believe that they wouldn't have
27:42
the same Spinosaurus Moroccanus, which... Obviously
27:44
it has been disputed and there's
27:46
a lot of people that think
27:49
Spinosaurus, Egypt, should get a neotype
27:51
from that amazing new find that
27:53
is our Ibrahim has been describing
27:55
in pieces over the years. You
27:57
could argue it's individual variation. You
27:59
could, but they're just so far
28:02
apart in geography. You know, they're
28:04
like thousand plus miles apart. They're
28:06
not from the same formation, so
28:08
they wouldn't have been the exact
28:10
same time period. It just doesn't
28:13
make sense to me to name
28:15
them the same species. I could
28:17
see the argument both ways, though.
28:19
Because yeah, thousands of miles, but
28:21
some dinosaurs did migrate. Yeah, the
28:24
really risky thing for Spinosaurus fans
28:26
is if you name it Spinosaurus
28:28
Moroccanus and then you discover later
28:30
that there are other species that
28:32
are sort of slated in between
28:35
them, then you might have to
28:37
split out Spinosaurus Moroccanus into its
28:39
own genus. And then it would
28:41
no longer be Spinosaurus. It would
28:43
have to get its own name.
28:45
And Spinosaurus would only be that
28:48
Ernst Stromer fine from way back
28:50
in the day we don't have
28:52
any more. And we'd have to
28:54
have some new name for this
28:56
one. And Spinosaurus is such a
28:59
cool name and everybody's so familiar
29:01
with it that it would be
29:03
unfortunate if it was only relegated
29:05
to this old thing that was
29:07
destroyed. Well, we'll see what happens.
29:10
Maybe there'll be more research on
29:12
this. It would be really really
29:14
frustrating if in like 50 years
29:16
we found another really good example
29:18
from Egypt but the neotype of
29:20
Spino-saurus egypticus was in Morocco and
29:23
then they had to come up
29:25
with a new name for the
29:27
one that's in Egypt it would
29:29
just be so confusing and that's
29:31
the whole point of these names
29:34
is not to be confusing. So
29:36
the one egypticus in my opinion
29:38
should be based on one from
29:40
Egypt. The one true egypticus. new
29:42
in virtually no way other than
29:45
the fact that it has a
29:47
name now, Tamery Raptor. And it's
29:49
cool too that Richard Markraff finally
29:51
got a dinosaur named after him
29:53
because he was such a big
29:56
part of those fines that we
29:58
all know so much about. Yes,
30:00
he was. I remember when I was
30:02
researching Ernst Stromer, Richard
30:04
Markraff's name came up
30:06
a lot. Yeah, from what I could
30:08
tell he did most of the finding
30:10
of the fossils and Stromer did most
30:13
of the writing up of them. Maybe
30:15
some of the analysis or most of
30:17
the analysis. Well, we will
30:19
get to our Dinosaur of the Day
30:22
in just a moment, which is not
30:24
a Therapod, not even a carnivore.
30:26
Have some diversity. Yeah, there
30:28
we go. But first we're going to take
30:30
a quick break for our sponsors. This
30:33
episode is brought to you
30:35
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You can learn from the
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experts there this summer. Yeah, both
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techniques for handling some of the
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world's most valuable objects. in my opinion,
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dinosaur fossils. No need to
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using an air scribe, and preserving
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Yes, and because you can learn so
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audible.com/Wundery U.S. That's audible.com/Wundery U.S. And
32:41
now on to our Dinosaur of the
32:43
Day Dakota Dawn, which was a
32:46
request from Pachy Selzke-Saurus via our
32:48
patron Discord. So thank you. Moving
32:51
a bit away from Therapods
32:53
and carnivorous dinosaurs.
32:55
Dakota was an a guanadant that
32:57
lived in the early Cretaceous in what
32:59
is now South Dakota in the US.
33:01
It was found in the Lakota formation.
33:04
And it looked similar to a guanadon.
33:06
It could walk on all fours, it had
33:08
a bulky body, a long tail, and an
33:10
elongated head. And for a long time, it
33:13
was known as an aquanadon. It was
33:15
estimated to be about 20 feet or
33:17
6 meters long and weigh one metric
33:19
ton. It was first described in
33:21
1989 by David Weishample and Philip York,
33:24
but they described it as iguanodon
33:26
Lakota ensis. And the species name refers
33:28
to quote, the land of the Lakota
33:30
and the horizon from which the type
33:32
specimen was collected, end quote. There's a
33:35
lot of dinosaurs from Lakota lands. So,
33:37
yes. Makes sense that you would get
33:39
at least one species named after you.
33:41
Mm-hmm. They described a partial skull in
33:44
parts of the skeleton. A man
33:46
named Lewis Rosso had found the fossils
33:48
when hunting rattlesnakes on a hogback, and
33:50
a hogback's a long narrow ridge or
33:53
series of hills. And this was near
33:55
Sturgis, and he excavated them with the
33:57
help of his family. Dale Rosso, who's...
34:00
Lewis's son told John Willard from
34:02
the South Dakota School of Minds
34:04
and Technology about them, and Lewis
34:06
had been storing the fossils in
34:08
his garage. But now the fossils
34:10
are donated, they're at the Museum
34:12
of Geology. There's debate about where
34:14
Dakota Don, or formerly known as
34:16
Guanadon, fit in. Some paleontologists considered
34:18
it a new species of a
34:20
guanadon. Some considered it to be
34:22
the same as a guanodon burnisartensis,
34:24
which was found in Europe, that
34:26
would mean that this species had
34:28
a really wide geographic range. Yeah,
34:31
I would say so. North America
34:33
and Europe? From an island in
34:35
Europe all the way over to
34:37
North America. And this is in
34:39
the Cretaceous when they were really
34:41
separated? Yes, so that's... I mean,
34:43
think about that with the Spinoers
34:45
debate. Yeah, maybe not. And some
34:47
considered it to be a new
34:49
genus. I thought it was interesting
34:51
because the paper that first described
34:53
Dakota Don when it was described
34:55
as a guanadone Lakota insist said
34:57
that it was quote the first
34:59
species from the United States that
35:02
can be clearly referred to the
35:04
European genus a guanadone and they
35:06
also said it was the quote
35:08
first indisputable record of a guanadone
35:10
from North America. It's a genus
35:12
that's less problematic than as a
35:14
species. Yes. I think it's just
35:16
hard for dinosaurs to be indisputable.
35:18
Yeah. That's true. Bold claims. So
35:20
they described the nearly complete skull
35:22
part of the lower jaws and
35:24
two vertebrae one from the neck
35:26
and one from the tail and
35:28
the skull has been described as
35:30
oblong long and oval It was
35:33
considered to be a guanodon because
35:35
of the proportions of its face
35:37
the way its beak looked and
35:39
the patterns of the teeth as
35:41
well as other patterns on the
35:43
bones However this species this specimen
35:45
was larger than a guanodon atherfield
35:47
incis another species of aquanodon, and
35:49
it also had fewer teeth and
35:51
a few other minor differences compared
35:53
to the European aquanodon species. So
35:55
Gregory Paul renamed it Dakota Don
35:57
in 2008, and that genus name
35:59
means... Dakota Duth was found in
36:01
South Dakota. When Gregory Paul named
36:04
Dakota on in 2008, he
36:06
mentioned that Guanadon was a
36:08
quote, taxonomic grab bag, which is
36:10
another way of saying waste basket
36:12
taxon. I think I like that better. Grab
36:14
bag. Yeah. Anyway, he said that the
36:17
species had lived most of the
36:19
early Cretaceous and they were in
36:21
most of the northern hemisphere, which
36:23
just seems like too much. Yes. But
36:25
as a, I mean, genera sometimes are
36:27
really broad. It just depends. Species
36:30
Species shouldn't be so broad,
36:32
but genera occasionally. It doesn't
36:34
help that a guanadon was first
36:36
named based on teeth. Yeah, that's for
36:38
sure. Going back to the teeth thing.
36:40
And more specimens of a guanadon have
36:43
been found, which does help. And since
36:45
then, there's been a lot of splitting.
36:47
There have even different specimens
36:49
of iguanadontians that were on
36:51
the same tiny little island
36:53
off of Great Britain. If there's
36:56
multiple genera there, this one that's
36:58
way over... on Lakota lands, the
37:00
US clearly seems like it should be
37:02
a different genus. Yes. So Gregory Paul
37:04
found the skull of Dakota Don
37:06
to be very different from iguanodon.
37:08
And he described the skull
37:11
as having classic iguanodont proportions,
37:13
meaning it's long, it's low,
37:15
it's narrow, there's the long
37:17
beacon jaws, and it has
37:19
large nostrils. But the skull had
37:21
enough differences to be its own
37:23
genus. There's a lot of details in
37:25
the jaw and it also has a relatively
37:27
large hole in the front of the eye
37:29
sockets. He also considered Decodadon to
37:32
be basal to Aguanodon, so it
37:34
doesn't have as many new features or
37:36
derived features. In 2014, Boyd and Pagnac, along
37:38
with the grandchildren of Lewis Rosso, went
37:40
back to where the Dakota Dawn fossils
37:42
were first found and they were able
37:44
to locate the original site where the
37:46
fossils were found as well as more
37:48
bones. Awesome. Yeah, that can tell you
37:50
a lot more about the dinosaur. That'd
37:53
be so cool going to where your
37:55
grandparent found dinosaur fossils and getting to
37:57
find more of that same animal. Yeah.
37:59
I can't imagine how cool that would
38:01
be. So in 2015 those fossils got redescribed
38:03
as well as the new bones and
38:06
the holotype now includes a partial skull,
38:08
lower jaws, one backbone, and two tail
38:10
bones. In the 2015 paper they found
38:12
that some of the bones had been
38:14
misidentified and there were some deformations
38:16
in the skull that made the
38:18
first descriptions inaccurate. But they did
38:20
find two features in the skull that
38:23
made it unique, including a triangular projection
38:25
near the top of the head that...
38:27
goes into the underside of the prefrontal. That's another bone near
38:29
the top of the head. The details, the details make a
38:31
difference with dinosaur species. They do, because if you're the
38:33
exact same species, why would your skull have different bones
38:35
in it? As some other dinosaurs that lived around the same
38:38
time and place as Dakotodon include the encylosaur, the
38:40
armored dinosaur, Now some
38:42
other dinosaurs that lived around the
38:44
same time and place as Dakotodon include
38:46
the Ankylosaur, the Armored Dinosaur, Hoplidosaurus. The
38:49
iguanodont osmoscosaurus and an
38:51
indeterminate sauropod managed to get
38:53
a sauropod. near
38:56
the end of the episode. Snuck it in.
38:58
And some other animals that lived around
39:00
the same time and place include
39:02
small mammals, fish, and turtles. Although
39:04
now that we're mentioning it, the
39:06
lost dinosaur from the Baharia oasis,
39:09
Egyptosaurus, is also a
39:11
titanosaur. So there was a sore pot
39:13
mentioned a little bit earlier too. I
39:15
just didn't mention that it was a
39:17
sore pot. The gyptosaurus could be anything.
39:19
Maybe I shouldn't be so harsh
39:22
on calling something a species on different
39:24
sides of the world. Because even though
39:26
the odds of it being the same exact
39:28
species that could mate isn't really the criteria
39:30
that we use with paleontology. You have to
39:32
actually find something different in the bones. So
39:35
if you can't find anything different, you don't
39:37
really have anything different, you don't really have
39:39
any choice but to assign it to the
39:41
same species. Sometimes it takes a while to
39:43
find those details. You work with what you've
39:45
got. And sometimes the details don't really
39:48
fossilize. And there's probably a lot of
39:50
things that are lumped together right now
39:52
as the same species. that wouldn't have
39:54
been in life, but we just don't
39:56
see the differences in the bones.
39:58
And our fun fact of the day is... that
40:00
the peer-reviewed article,
40:02
which named Tamarie Raptor,
40:04
was originally going to
40:06
call it Allisaurus. Yes, oh
40:08
yes, this was, somebody wrote
40:11
this comment on the dinosaur mailing
40:13
list. Yeah, it's spelled a-l-l-l-i
40:15
source, so it looks quite
40:17
a bit different than Allisaurus.
40:20
It's It's
40:23
A -L -L -L -I
40:26
-S -S -A -U -R -U
40:28
-S which to me reads
40:30
is Alisaurus. Yeah. Or
40:32
Alisaurus. Alisaurus. Yeah. But
40:35
it's pretty close to
40:37
Alisaurus. Especially since we
40:39
don't really say Alosaurus.
40:41
Most people say Alisaurus.
40:43
So then this is Alisaurus.
40:46
Basically the same. But
40:48
that is a really
40:50
cool name because the
40:52
entomology of Alisaurus is
40:54
a combination of the
40:56
Arabic for Marauder. Alis, and
40:58
the Greek for lizard, for soris,
41:00
so basically it means like the
41:03
marauding dinosaur, which is just a
41:05
cool name. Allis soris. Isn't that
41:07
what I said? You were saying
41:09
al. I think it'd be alisaurus.
41:12
No, it's alisaurus, like algebra.
41:14
Oh. That's why it's so similar.
41:16
Yes. I'm not that familiar
41:18
with Arabic. So I guess that's
41:20
good news for alisaurus fans,
41:22
that you don't have to worry
41:25
about. Allisaurus. Stealing some of
41:27
the thunder. Yes, that could be
41:29
confusing. Especially since it's an
41:32
allisoroid. The allisoroid, alisaurus.
41:34
Not to be confused with
41:36
alosaurus. That would be confused
41:38
with alosaurus. That note, that
41:40
wraps up this episode of Einodino.
41:42
Thank you for listening. Stay tuned.
41:45
Next week we'll have even more
41:47
new dinosaurs, or at least one
41:49
new dinosaurs. We've got a lot
41:51
of new dinosaurs to cover. And
41:54
don't forget to take our listener
41:56
survey at bit.li slash IKD Survey
41:58
25. Thanks again. and
42:01
until next
42:04
time.
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