Biology:Paralligatoridae

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Short description: Extinct family of reptiles

Paralligatoridae
Temporal range: Late Jurassic - Late Cretaceous, Oxfordian–Maastrichtian
Skulls of Paralligator
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauria
Clade: Pseudosuchia
Clade: Crocodylomorpha
Clade: Crocodyliformes
Clade: Neosuchia
Family: †Paralligatoridae
Konzhukova, 1954
Genera

†Batrachomimus
†Brillanceausuchus
†Kansajsuchus
†Paralligator
†Rugosuchus
†Sabresuchus
†Scolomastax
†Shamosuchus
†Tarsomordeo
†Wannchampsus
†Yanjisuchus

Paralligatoridae is an extinct family of neosuchian crocodyliforms that existed during the Jurassic and Cretaceous periods. It includes the genera Paralligator, Brillanceausuchus, Kansajsuchus, Shamosuchus, Scolomastax, Sabresuchus, Rugosuchus, Batrachomimus and Wannchampsus, as well as the yet-unnamed "Glen Rose form".[1][2]

Evolution

Phylogenetic analyses of crocodyliforms find Paralligatoridae to nest within Neosuchia, a large clade (evolutionary grouping) that also includes modern crocodylians. In crocodyliform phylogeny, paralligatorids are usually found near the base of Neosuchia, outside the clade Eusuchia, which includes crocodylians and their closest relatives. Below is a cladogram from Montefeltro et al. (2013) showing the phylogenetic relationships of Paralligatoridae:[1]

Mesoeucrocodylia
 

Thalattosuchia

 
Metasuchia
 

Notosuchia

 
Neosuchia
 
 

Khoratosuchus jintasakuli

 
 

Tethysuchia

 
 
 
 

Theriosuchus

 
 
 

Goniopholididae

 
 
 

Bernissartia fagesii

 
 
Paralligatoridae
 

Batrachomimus pastosbonensis

 
 
 

Shamosuchus spp.

 
 

Rugosuchus nonganensis

 
 
 
Eusuchia
 

Susisuchus anatoceps

 
 

Hylaeochampsa vectiana

 
 
 

Allodaposuchus precedens

 
Hylaeochampsidae
 

Pietraroiasuchus ormezzanoi

 
 

Iharkutosuchus makadii

 
 
 
 

Isisfordia duncani

 
 

Crocodylia

 
 
 
 
 
 
 
 
 
 
 

References

  1. ↑ 1.0 1.1 Montefeltro, F. C.; Larsson, H. C. E.; de França, M. A. G.; Langer, M. C. (2013). "A new neosuchian with Asian affinities from the Jurassic of northeastern Brazil". Naturwissenschaften 100 (9): 835–841. doi:10.1007/s00114-013-1083-9. PMID 23893176. Bibcode: 2013NW....100..835M. 
  2. ↑ Thomas L. Adams (2014). "Small crocodyliform from the Lower Cretaceous (late Aptian) of central Texas and its systematic relationship to the evolution of Eusuchia". Journal of Paleontology 88 (5): 1031–1049. doi:10.1666/12-089. 

Wikidata ☰ Q6061142 entry