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May 29, 2012
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Alligator chevrotain-dolphin by JWArtwork Alligator chevrotain-dolphin by JWArtwork
I keep, liking them, those new-style whales. :D Here is another specialised species: the alligator chevrotain-dolphin (3 animals at once: alligator, chevrotain and dolphin! ;)). Its scientific name is Plateocetos magnomandibulis, which litterally means 'flat chevrotain-dolphin with a big lower jaw'. Not a bad name, as you can see. This species of chevrotain-dolphin is indeed rather-flat. It has evolved that way because it is one of the few chevrotain-dolphins that has adapted to a bottom-dwelling lifestyle. Besides, I don't think I need to explain which is bigger: the upper or the lower jaw... ;p It uses this impressive mouth to feed on its prey in the most effective way possibe, at the same time also a very cruel one: it is litterally adapted to kill its prey by cutting it in half. Again, the mammal-shark [link] is a loved prey... Sorry mammal-shark, for this much predators! =/

The alligator chevrotain-dolphin has a length ranging from 3 to 4 meters and lives some 131 million years from now in the Early-Palalomain oceans around the westcoast of North-America, where it coexists with the giant chevrotain-dolphin [link] , which is also a near relative from the same family, only much larger, and various fish like the tuna-salmon [link] , the hunter-salmon [link] and the earlier mentioned mammal-shark.

P.S. If you like this, become a member (request is automatically approved) of the Neozoic-Project-group, to see more of this appear in the future, or even design your own Neozoic creatures and submit to the group! :) [link]
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:iconadiraiju:
Adiraiju Featured By Owner May 30, 2012  Hobbyist General Artist
Yikes! Sounds something like an oceanic version of the Alligator Snapping Turtle...
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:iconjwartwork:
JWArtwork Featured By Owner May 30, 2012  Hobbyist Digital Artist
Yes, I guess it kinda is! ;p
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:iconzimices:
Zimices Featured By Owner May 30, 2012  Hobbyist
Then, Plateocetos is the mix between a mosasaur and a whale, isn't? :D
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:iconjwartwork:
JWArtwork Featured By Owner May 30, 2012  Hobbyist Digital Artist
Well, kinda, but it actually evolved from chevrotains, which are actually quite cute! ;p In such occasions you can see what an unexpected path evolution takes! ;)

Yes, it is indeed like a mix between a dolphin and a mosasaur, maybe most similar to Goronyosaurus! ;) I'd myself describe it as a bottom-dwelling killer whale combined with an aligator! ;p
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:iconevenape:
Evenape Featured By Owner May 29, 2012  Student Traditional Artist
These pseudo-whales are cool ! :XD:
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:iconjwartwork:
JWArtwork Featured By Owner May 30, 2012  Hobbyist Digital Artist
Thanks a lot! I'm glad you like them! :D
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:iconevenape:
Evenape Featured By Owner May 31, 2012  Student Traditional Artist
Your welcome :D
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:iconjulio-lacerda:
Julio-Lacerda Featured By Owner May 29, 2012  Professional Digital Artist
Wow, that one looks great. I can see similar forms evolving a filter-feeding lifestyle as well; they could just develop longer and thinner teeth and an expandable throat and they're ready!
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:iconjwartwork:
JWArtwork Featured By Owner May 30, 2012  Hobbyist Digital Artist
Thanks! :D Yes, a second generation of filter feeders, could indeed be possible! ;) There was already a generation of filter-feeding chevrotain-whales, distant relatives of this one: [link] By the time the alligator chevrotain-dolphin lives, they are extinct, though.
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:iconpalaeorigamipete:
palaeorigamipete Featured By Owner May 29, 2012  Hobbyist General Artist
a big chin guy huh? =) Looks like we're dealing with a lil' brute here! :B I love it! =)
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