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Dendrorhynchoides by MattMart Dendrorhynchoides by MattMart
Another field guide entry, here's Dendrorhynchoides. As someone said in the scrapbook WIP comments... anurognathids are weird. Furry frog-bats. With furry edges to their patagia for silent flight, like the frayed flight feathers of an owl. Short, broad wings = high maneuverability, great for chasing after bugs between tree trunks or out over Yixian lakes. Big, wide frog mouth for catching them. I've seen reconstructions give them long, bug-sensing whiskers like an Owlet-nightjar, though I don't think there's direct evidence for this (but correct me if I'm wrong, cause that would look way cool).

Update 15/6/10: A few tweaks after comparing with more skeletals and re-reading the integument paper. Mainly lengthening of the wing finger and neck, and restricting the pycnofibres to the distal trailing edge of the actinopatagium.

Research:[link] [link] [link]
Pycnofibre distribution based on the paper:
* Alexander W. A. Kellner, Xiaolin Wang, Helmut Tischlinger, Diogenes de Almeida Campos, David W. E. Hone, and Xi Meng. (2009). "The soft tissue of Jeholopterus (Pterosauria, Anurognathidae, Batrachognathinae) and the structure of the pterosaur wing membrane", Proc. R. Soc. B doi: 10.1098/rspb.2009.0846
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:iconhublerdon:
HUBLERDON Featured By Owner Feb 3, 2016  Hobbyist General Artist
A flying hamster! EEEEEEEEEE!
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:icontheregisaurusofkarro:
TheRegisaurusofkarro Featured By Owner Oct 23, 2015
Weird isn't it?
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:iconcjcroen:
CJCroen Featured By Owner Sep 8, 2015  Hobbyist Traditional Artist
I love how it looks on the ground!
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:icongrisador:
grisador Featured By Owner Apr 12, 2015
Wow !  Wow! 


Prehistoric ' Vampire Bats ' !  >X D
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:iconmattmart:
MattMart Featured By Owner Jun 26, 2015  Hobbyist Digital Artist
In appearance only, only people particularly susceptible to Pareidolia like David Peters think they were actual vampire bats ;)
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:icongrisador:
grisador Featured By Owner Jun 27, 2015
Well I like that 'Theory' ; its (A bit) more interesting than little innocent (Slightly toy-like) insect eater  :)

I hope that's true ! :D
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:iconjonagold2000:
JonaGold2000 Featured By Owner Mar 29, 2015  Hobbyist Traditional Artist
I love these guys :)
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:iconjgarza511:
jgarza511 Featured By Owner Dec 24, 2013  Hobbyist Traditional Artist
It looks like a prehistoric flying 
Squirrel
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:icon8bitaviation:
8bitAviation Featured By Owner May 1, 2013
I really like your field guide pictures. They show them as real animals that people might go out and look for. "Oh look! A lesser striped long wing!"
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:iconcomixqueen:
comixqueen Featured By Owner Nov 24, 2012  Professional Digital Artist
Adorable!! :love:
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:iconjoffeorama:
joffeorama Featured By Owner Oct 6, 2012
Super cute, and I love how diverse the new prehistoric animal finds are. It paints the picture of a much more dynamic and fascinating world than we used to get. Frog-flying squirrel mixed pterosaur? Yes please.
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:iconthemorlock:
TheMorlock Featured By Owner May 8, 2012  Student General Artist
Furry frog bats FTW!
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner Apr 11, 2012  Hobbyist Traditional Artist
Bizarre and cute, kind of like a furry frogmouth-nightjar-bat combination. :P
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:iconsmnt2000:
Smnt2000 Featured By Owner Apr 6, 2012  Hobbyist Traditional Artist
Wonderful work as usual. Only one question: do pterosaurus actually have pycnofibres on their wings? I don't know any more: first it was yes, then no, then yes again, then no and it goes on like that.
Still, this is just amazing, love the colours :)
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:iconmattmart:
MattMart Featured By Owner Apr 6, 2012  Hobbyist Digital Artist
It seems to depend on the species. Jeholopterus (a close relative of Dendro) seems to have a fringe of pycnofibres along the edge of the wing membrane but not on the patagium itself. This may be a silencing feature like the 'frayed' wing feathers of owls. Pterorhynchus appears to have pycnofibres covering at least some of the actual wing membrane. Pterodactylus and Rhamphorhynchus seem to have completely naked wings.

So, it looks like there was a lot of variety in the distribution of pycnofibres in pterosaurs.
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:iconsmnt2000:
Smnt2000 Featured By Owner Apr 7, 2012  Hobbyist Traditional Artist
Really interesting stuff. I didn't know of such a disparity.
It's curious to note that, for now, in-land pterosaurus have more pycnofibres on their wings compared to species that live near water.
I'm guessing it's just a coincidence, but it's peculiar too.
There is so much to know.
Thanks a lot for your answer ;)
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:iconthegriffin88:
thegriffin88 Featured By Owner Mar 8, 2012  Professional Digital Artist
Why he's just adorable! <3
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:iconnemo-ramjet:
nemo-ramjet Featured By Owner Nov 10, 2011
Wow - a frogbatmomonga!
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:iconkitwhitham:
KitWhitham Featured By Owner Oct 31, 2011
Very cute. Almost looks like a winged guinea pig.
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:iconthebalaurking:
TheBalaurking Featured By Owner Jun 27, 2011
that is one weird looking pterosaur
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:iconrodrigo-vega:
Rodrigo-Vega Featured By Owner Feb 16, 2011  Professional General Artist
If you know the history of our planet we barely need aliens at all..
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:iconmattmart:
MattMart Featured By Owner Feb 16, 2011  Hobbyist Digital Artist
Whenever I watch sci-fi I'm surprised by how unimaginative most of it is. A bunch of humans with weird faces or haircuts. There have been much more fantastically "alien" creatures really living on our own planet. More Hollywood creature designers should study paleontology ;)
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:iconmeerkatmatt2:
Meerkatmatt2 Featured By Owner Dec 2, 2013
And marine biology, and invertebrate paleontology.
Also, wildly speculative reconstruction donw right, evidence not on the fossil in a beleivable manner that holds up to current ideas, david peters on the other hand D:
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:iconrodrigo-vega:
Rodrigo-Vega Featured By Owner Feb 17, 2011  Professional General Artist
Thats right brother, in fact I have an artbook of a Star Wars movie in which there are plenty of alien designs.
One of them is a copy-paste doedicurus. I bet the producers didn't even noticed as the paleontology-savvy artist ran away with a bag-full of dollars.
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:iconmichelle56:
Michelle56 Featured By Owner Jan 11, 2011  Hobbyist Digital Artist
What the? I've never seen anything like it. That's a pterosaur? Looks like a friggin salamander with wings :P

Anyway, cute though!
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:iconbabbletrish:
babbletrish Featured By Owner Oct 7, 2010  Professional Traditional Artist
Oh, gosh that's cute.
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:iconjetavian:
Jetavian Featured By Owner Sep 26, 2010
That is adorable! I haven't heard of most of these findings on adnurognathids before, but it seems really interesting!
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:iconmattmart:
MattMart Featured By Owner Sep 27, 2010  Hobbyist Digital Artist
It gets weirder, because it seems this guy had an unusually long tail after all. Doesn't change the external appearance that much, but still cool. The updated version is here: [link]
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:iconalbertonykus:
Albertonykus Featured By Owner Aug 29, 2010
Appears that this thing had a long tail after all: [link]
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:iconmattmart:
MattMart Featured By Owner Aug 29, 2010  Hobbyist Digital Artist
Yeah! Very cool, already updated on my website. The tail was 85% femoral length, so still not rhamphorhynchid long, but pretty long compared to other anurognathids.
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:iconbensen-daniel:
bensen-daniel Featured By Owner Aug 11, 2010
Oh, and do you think you could include a link to the skeletal reconstruction you used? (for this one and the others)
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:iconmattmart:
MattMart Featured By Owner Aug 11, 2010  Hobbyist Digital Artist
Sure thing, I'll add the links to the descriptions and make sure I include them in the future.
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:iconbensen-daniel:
bensen-daniel Featured By Owner Aug 11, 2010
that would be great!
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:iconbensen-daniel:
bensen-daniel Featured By Owner Aug 11, 2010
these field guide sketches are beautiful and accurate, everything paleo-illustration should be. These things actually look like REAL animals!
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:iconmattmart:
MattMart Featured By Owner Aug 11, 2010  Hobbyist Digital Artist
Thanks! That's the idea, glad it seems to be working so far :) Lots of paleo art, even really good paleoart, tends to look very stylized to me. Actually, you're Mesozoic bird paintings (the ones that look like they're preserved in a museum collection somewhere) are a huge inspiration.
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:iconbensen-daniel:
bensen-daniel Featured By Owner Aug 11, 2010
:) Thanks. I think the goal was the same: to show dinosaurs as if they are real animals, not monsters.
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:iconevenape:
Evenape Featured By Owner Jul 9, 2010  Student Traditional Artist
Seems like a winged squirrel because of the colors

Anyways, anurognathids are always interesting, aren't they?
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:iconpristichampsus:
Pristichampsus Featured By Owner Jun 22, 2010  Professional General Artist
My only criticism is the batlike crawling posture, pterosaurs could stand with their hindlegs tucked under abit more I thought.
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:iconmattmart:
MattMart Featured By Owner Jun 22, 2010  Hobbyist Digital Artist
True, but the idea here was to show it as if climbing rather than walking. I might paint in some bark at some point to make it clear... Certainly sprawling is a better posture of quadrupedal climbing than a parasatagial stance. I'll probably contrast this in the guide with the other pterosaurs appearing on the same 'page' that are more suited to some terrestrial locomotion.
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:iconpristichampsus:
Pristichampsus Featured By Owner Jun 22, 2010  Professional General Artist
Oh cool, I just wanted to be sure.
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:iconrickraptor105:
RickRaptor105 Featured By Owner Jun 21, 2010
At first glance I couldnīt believe this cute fur ball is a pterosaur :D
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:icondotb18:
DOTB18 Featured By Owner Jun 17, 2010
The coloration reminds me of a sugar glider, and it's almost as cute.
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:iconinvisiblecatfish:
InvisibleCatfish Featured By Owner Jun 15, 2010  Hobbyist General Artist
Wow! That's a really bizarre.

At first quick glance I thought it was an early ancestor to a bat.
Interesting stuff!
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:iconimperator-zor:
Imperator-Zor Featured By Owner Jun 15, 2010
Odd they may be they never the less are quite cute.
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:icongiant-blue-anteater:
Giant-Blue-Anteater Featured By Owner Jun 13, 2010  Hobbyist Digital Artist
Awww, it's cute! Where can I get one?
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:iconzippo4k:
Zippo4k Featured By Owner Jun 13, 2010
Ah, yes, the bristles around the beaks of nightjars (I think most nightjars have them) are used to help funnel insects into the mouth.

This is a cool little pterosaur!
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:iconmattmart:
MattMart Featured By Owner Jun 13, 2010  Hobbyist Digital Artist
Thanks! I read that about Nighjars too after posting this, but there doesn't seem to be consensus about the whiskers function. Apparently some people have even proposed that they're used mainly to detect vibrations in some kind of avian echolocation (!).
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:iconzippo4k:
Zippo4k Featured By Owner Jun 13, 2010
Hmmm... that would make some sense (sort of). A few birds actually use some form of echolocation, including oilbirds and swiftlets.
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:iconalbertonykus:
Albertonykus Featured By Owner Jun 13, 2010
So cute! Furry frog bats indeed!
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:iconmattmart:
MattMart Featured By Owner Jun 13, 2010  Hobbyist Digital Artist
Haha, yeah my wife came up with that one. She was hugely disappointed that I didn't make it green, but I gotta stick to the EPB for melanosome color range in simple filaments! ;)
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