Ziphosuchia Explained

Ziphosuchia is a clade of mesoeucrocodylian crocodyliforms that includes notosuchians and sebecosuchians.

Systematics

First constructed in 2000, it was considered to include Notosuchus, Libycosuchus, and Sebecosuchia.[1] [2] In a 2004 phylogenetic study, it was defined as the most recent common ancestor of Notosuchus, Libycosuchus, and Baurusuchoidea and all of its descendants.[3]

Ziphosuchia is often considered to be the sister group of Neosuchia, a clade that includes modern crocodilians. Razanandrongobe is the oldest representative of this clade.[4]

Notes and References

  1. Ortega . F. . Gasparini, Z. . Buscalioni, A.D. . Calvo, J.O. . 2000 . A new species of Araripesuchus (Crocodylomorpha, Mesoeucrocodylia) from the Lower Cretaceous of Patagonia (Argentina) . Journal of Vertebrate Paleontology . 20 . 1 . 57–76 . 10.1671/0272-4634(2000)020[0057:ANSOAC]2.0.CO;2.
  2. Company . J. . Suberbiola, X.A. . Ruiz-Omeñaca, J.I. . Buscalioni, A.D. . 2005 . A new species of Doratodon (Crocodyliformes: Ziphosuchia) from the Late Cretaceous of Spain . Journal of Vertebrate Paleontology . 25 . 2 . 343–353 . 10.1671/0272-4634(2005)025[0343:ANSODC]2.0.CO;2.
  3. Carvalho . I.S. . Ribeiro, L.C.B. . Avilla, L.S. . 2004 . Uberabasuchus terrificus sp. nov., a new Crocodylomorpha from the Bauru Basin (Upper Cretaceous), Brazil . Gondwana Research . 7 . 4 . 975–1002 . 10.1016/S1342-937X(05)71079-0. 2004GondR...7..975C .
  4. Dal Sasso C, Pasini G, Fleury G, Maganuco S. (2017) Razanandrongobe sakalavae, a gigantic mesoeucrocodylian from the Middle Jurassic of Madagascar, is the oldest known notosuchian. PeerJ 5:e3481 https://doi.org/10.7717/peerj.3481

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