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Dinosuchus
Fossil range: Miocene
Scientific classification

Class:

Sauropsida

Superorder:

Crocodylomorpha

Order:

Crocodilia

Superfamily:

Alligatoroidea

Family:

Alligatoridae

Genus:

Dinosuchus Gervais, 1876

Species:

  • D. terror Gervais, 1876 (type)
  • D. neivensis Mook, 1921

Dinosuchus is a problematic genus of extinct alligatorid crocodylomorph. It was very large compared to other alligatorids, save for the giant caiman Purussaurus and its closest relatives. The genus was first described in 1876 on the basis of a vertebra from the Brazilian Amazon, the type species being named D. terror[1]. In 1921, a new species of Dinosuchus, D. neivensis, was named based on a large mandible that was discovered in Colombia[2]. D. neivensis was later found to be synonymous with both Brachygnathosuchus braziliensis and Purussaurus brasiliensis, being reassigned in 1924 to the senior synonym P. brasiliensis[3]. In 1965, D. terror was proposed to be a nomen vanum[4].

The name Dinosuchus means "terrible crocodile" in Greek. It is not to be confused with Deinosuchus, a large alligatoroid from Late Cretaceous North America.

ReferencesEdit

  1. ^ Gervais, P. (1876). Crocodile gigantesque fossile au Brésil. Journal de Zoologie 5:232–236.
  2. ^ Mook, C. C. (1921). Brachygnathosuchus braziliensis, a new fossil crocodilian from Brazil. Bulletin of the American Museum of Natural History 44(6):43–49.
  3. ^ Nopcsa, F. (1924). Über die Namen einiger brasilianischer fossiler Krokodile. Centralblatt für Mineralogie, Geologie und Palaeontologie 12:378.
  4. ^ Langston, W. (1965). Fossil Crocodilians from Colombia and the Cenozoic history of the Crocodilia in South America. University of California Publications in Geological Sciences 52:1–157.


Postosuchus BW

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