List of crurotarsan genera

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This list of crurotarsans is a comprehensive listing of all genera that have ever been included in the clade Crurotarsi, excluding purely vernacular terms. Under some definitions Crurotarsi includes all archosaurs, but this list excludes archosaur genera that are included in Avemetatarsalia (pterosaurs, nonavian dinosaurs, and birds). The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not formally published (nomen nudum), as well as junior synonyms of more established names, and genera that are no longer considered crurotarsan. Extinct taxa are denoted with a dagger (†). The list contains 545 names, of which approximately 447 are considered either valid crurotarsan genera or nomina dubia.

Scope and terminology[edit]

There is no official, canonical list of crurotarsan genera, but one of the most thorough attempts can be found on the Crurotarsi section of Mikko Haaramo's Phylogeny Archive. That list has been supplemented with the Paleofile listing for Crocodylomorpha.

Naming conventions and terminology follow the International Code of Zoological Nomenclature. Technical terms used include:

  • Junior synonym: A name which describes the same taxon as a previously published name. If two or more genera are formally designated and the type specimens are later assigned to the same genus, the first to be published (in chronological order) is the senior synonym, and all other instances are junior synonyms. Senior synonyms are generally used, except by special decision of the ICZN, but junior synonyms cannot be used again, even if deprecated. Junior synonymy is often subjective, unless the genera described were both based on the same type specimen.
  • Nomen nudum (Latin for "naked name"): A name that has appeared in print but has not yet been formally published by the standards of the ICZN. Nomina nuda (the plural form) are invalid, and are therefore not italicized as a proper generic name would be. If the name is later formally published, that name is no longer a nomen nudum and will be italicized on this list. Often, the formally published name will differ from any nomina nuda that describe the same specimen. In this case, these nomina nuda will be deleted from this list in favor of the published name.
  • Preoccupied name: A name that is formally published, but which has already been used for another taxon. This second use is invalid (as are all subsequent uses) and the name must be replaced. As preoccupied names are not valid generic names, they will also go unitalicized on this list.
  • Nomen dubium (Latin for "dubious name"): A name describing a fossil with no unique diagnostic features. This can be an extremely subjective and controversial designation and is to be used cautiously.

A[edit]

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B[edit]

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An artist's re-creation of an Batrachotomus kupferzellensis

C[edit]

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A Yacare caiman (Jacaré) from Brazil.

D[edit]

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An artist's reconstruction of Dakosaurus andiniensis.

E[edit]

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An artist's reconstruction of Elosuchus.

F[edit]

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G[edit]

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A Gavial from India.

H[edit]

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An artist's reconstruction of Hesperosuchus .

I[edit]

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An artist's reconstruction of Itasuchus.

J[edit]

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K[edit]

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L[edit]

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An artist's reconstruction of Lotosaurus.

M[edit]

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A Black caiman (Melanosuchus).

N[edit]

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An artist's reconstruction of Notosuchus terristris.

O[edit]

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A Dwarf crocodile (Osteolaemus) from west Africa.

P[edit]

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An artist's reconstruction of Pelagosaurus typus.
An artist's reconstruction of Purussaurus.

Q[edit]

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An artist's reconstruction of Qianosuchus

R[edit]

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An artist's reconstruction of Rutiodon.

S[edit]

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An artist's Stagonolepis.

T[edit]

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A False gharial (Tomistoma) from Thailand.

U[edit]

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An artist's reconstruction of Uberabasuchus.

V[edit]

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An artist's reconstruction of Venaticosuchus rusconii.

W[edit]

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X[edit]

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Y[edit]

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Z[edit]

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An artist's reconstruction of Zosuchus davidsoni.

References[edit]

  1. ^ Marinho, Thiago S.; and Carvalho, Ismar S. (2009). "An armadillo-like sphagesaurid crocodyliform from the Late Cretaceous of Brazil". Journal of South American Earth Sciences 27 (1): 36–41. Bibcode:2009JSAES..27...36M. doi:10.1016/j.jsames.2008.11.005. 
  2. ^ a b c d Paolillo, Alfredo; and Linares, Omar J. (2007). "Nuevos cocodrilos Sebecosuchia del Cenozoico Suramericano (Mesosuchia: Crocodylia)" (PDF). Paleobiologia Neotropical (in Spanish) 3: 1–25. Retrieved 2009-02-15. 
  3. ^ Magdalena Borsuk−Białynicka; and Andriej G. Sennikov (2009). "Archosauriform postcranial remains from the Early Triassic karst deposits of southern Poland". Paleontologica Polonica 65: 283–328. 
  4. ^ Kellner, A.W.A.; Pinheiro, A.E.P.; Azevedo, S.A.K.; Henriques, D.D.R.; de Carvalho, L.B.; and Oliveira, G.R. (2009). "A new crocodyliform from the Alcântara Formation (Cenomanian),Cajual Island, Brazil". Zootaxa 2030: 49–58. 
  5. ^ Delfino, M. 2000. Coccodrilli italiani. Page 12 in Barbieri, F., Bernini, F., and Fasola, M., editors. Societas Herpetologica Italica, 3° Congresso Nazionale. Riassunti. Centro Stampa del Comune di Pavia. Abstract. [Italian]
  6. ^ Delfino, M. 2001. The fossil record of the Italian Crocodylomorpha. 6th European Workshop on Vertebrate Palaeontology, Florence-Montevarchi, Italy, September 19-22 2001:28. Abstract. [Italian]
  7. ^ Paul M. Barrett and Xu Xing (2012). "The enigmatic reptile Pachysuchus imperfectus Young, 1951 from the Lower Lufeng Formation (Lower Jurassic) of Yunnan, China". Vertebrata PalAsiatica 50 (2): 151–159. 
  8. ^ Salisbury, Steven W. (2002). "Crocodilians from the Lower Cretaceous (Berriasian) Purbeck Limestone Group of Dorset, southern England". In Milner, Andrew R.; and Batten, David J. (eds.). Life and environment in Purbeck times. Special papers in palaeontology 68. London: The Palaeontological Association. p. 131. ISBN 0-901702-73-0. 
  9. ^ Williston, S. S. (1906). "American amphicelian crocodiles". Journal of Geology 14 (1): 1–17. Bibcode:1906JG.....14....1W. doi:10.1086/621270.