Allognathosuchus
Early Jurassic, Triassic, Jurassic
978-613-9-14766-3
6139147662
112
2013-01-10
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Allognathosuchus is an extinct genus of alligatorine crocodylian with a complicated taxonomic history. This small alligatorine is known for its stout jaws and bulbous teeth, found near the rear of the tooth row in upper and lower jaws. These adaptations have historically been interpreted as having been for crushing mollusks. Isolated bulbous teeth are often assigned to this genus, although such teeth are known from other crocodyliform lineages. The type species, A. polyodon, is from the Eocene-age Bridger Formation of Wyoming; it is based on fossils that are difficult to distinguish from other Paleogene alligatorids. A. heterodon is from the Eocene-age Wasatch Formation of Wyoming, A. wartheni is from the Eocene-age Wildwood Formation (also known as the "Wildwood alligatorid," and possibly two species), and A. woutersi, which may belong to Diplocynodon instead, is from the Early Eocene of Belgium. A. polyodon, A. heterodon, and A. wartheni span the Clarkforkian, Wasatchian, and Bridgerian North American Land Mammal Ages.
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Paleontology
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