Choristodera: Mysterious Aquatic Reptiles
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- เผยแพร่เมื่อ 20 มิ.ย. 2020
- Choristodera is an extinct order of semiaquatic diapsid reptiles that ranged from the Middle Jurassic, or possibly Late Triassic, to at least the early Miocene. Of mysterious affinities, these animals have been suggested to be the most basal of all Archosauromorphs. Larger, derived Choristoderans resembled Gharials, while smaller forms were lizard-like. This group had a long fossil history, surviving several extinction events and living on until the Early Miocene in Europe.
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Man, how many of these fake crocs are there!?
Too many! This body shape has evolved in Archosauriformes and even in Temnospondyls so many times.
It is a shame that their last strongehold was europe.
had it been anywhere else, say the southern hemisphere I could see them surving to this day, like the tuatara
Yeah I agree! It would have been fascinating to have these animals with us in the modern world. Maybe then DNA tests could tell us what the hell Choristoderans really are.
@@dr.polaris6423 It really seems as if Europe is a bad place to be the last of your kind in.
Similar extinction patterns occured for the Nimravids, and the Albanerpetontids
@@thedarkmasterthedarkmaster Exactly!
@@dr.polaris6423 By the way,
I'd just like to suggest that both of those groups would make excellent video topics.
@@thedarkmasterthedarkmaster Of course, I will certainly get to these groups one day.
Could you do an episode about the most common fossils found? And maybe why they are so common?
Interesting idea! I'll keep that in mind.
I suppose it depends on their body structure (jellyfish and octopus don't fossilise well), where they lived and how common they were.
Hm... trilobites, or bivalve mollusks?
in my area i find crinoid stem impressions the most. It does depend on where you live though.
Have you ever done a fossil video on plants? Perhaps I should say floraforms?
The first recorded fossil of an animal with a 2 headed mutation belongs to these animals! How cool! 😯
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Ditto.
Very fascinating indeed, I love learning about all these less-known reptiles
Another great video, thanks. I would like to know more about very early amphibians and how they are related to reptiles.
You should do a vid on Megaraptora in the future, a complete taxonomic mess!
That’s a great idea!
Thank you for another splendidly informative video, Dr. Polaris, oh wisest of all polar bears! I really enjoyed this one, as I was mostly ignorant of this entire wing of the animal kingdom prior to watching it. My cryptid-loving mind cannot help hoping that a fragment population of these creatures might still exist in central Europe where they go by the charming name of "tazelwurm". Unlikely, I know, but what IF?!
All the best! --N
Great stuff%!
Wow, those were like a cross between anfibians and crocs, cool
Ty Doctah.
There are also possible Cteniogenys remains from the early Cretaceous and Middle Jurassic of the UK
Why do you keep showing your polar bear in the middle of the program. Other than that I enjoy your program.
I am going to have to second that. It's disturbing.
I love your video's, but the volume is so low that I CAN'T hear the narration
I think I saw one of these guys on a sidewalk in Arizona
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I wonder if Ancient Chinese dig up one of these but 8 meter and they call it's a dragon, wouldn't be surprise.