Alligatoridae
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The family Alligatoridae of crocodilians includes alligators, caimans and their extinct relatives.
A. olseni fore limb
Alligator prenasalis fossil
C. crocodilus at the Helsinki Tropicario Zoo aquarium in Helsinki, Finland in 2010
Stangerochampsa
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Stangerochampsa is an extinct genus of alligatorid, possibly an alligatorine or a stem-caiman, from the Late Cretaceous of Alberta. It is based on RTMP.86.61.1, a skull, partial lower jaws, and partia
