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Pliogonodon Temporal range: Late Cretaceous
Illustration of type specimen, 1858
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
(unranked):	Crurotarsi
Order:	Crocodylomorpha
(unranked):	Neosuchia
Family:	incertae sedis
Genus:	Pliogonodon Leidy, 1856
Species
P. priscus Leidy, 1856 (type)

Pliogonodon is an extinct genus of crocodylomorph. The type species, P. priscus, was named by Joseph Leidy in 1856. The holotype, known as USNM 7448, is a worn and broken tooth found from Phoebus Landing on the Cape Fear River in North Carolina. Although the age of the strata in which the tooth was found was not recorded, it is thought to have come from Miocene-age beds. The holotype and another tooth found at the same location are all that is known from the genus. The genus is considered a nomen dubium because of the lack of diagnostic features possessed by the teeth, and has been suggested to be synonymous with the alligatoroid Deinosuchus. Although Carroll (1988) assigned the genus to the basal neosuchian family Goniopholididae, current consensus is that Pligonodon is a Deinosuchus specimen.

The two teeth are conical and curve slightly inward, estimated to be around 2 inches (5.1 cm) in length if they had been fully preserved. The enamel is wrinkled and the base of the crowns are hollow.

References

1. Miller, H. W. (1967). "Cretaceous Vertebrates from Phoebus Landing, North Carolina". Proceedings of the Academy of Natural Sciences of Philadelphia. 119 (1967): 219–239.
2. ^ Mook, C. C. (1925). "A revision of the Mesozoic Crocodilia of North America". Bulletin of the American Museum of Natural History. 51: 319–432.
3. "Deinosuchus". Paleofile. Retrieved 2009-12-09.
4. Carroll, R. L. (1988). Vertebrate Paleontology and Evolution. New York: W. H. Freeman and Company. pp. 1–698. ISBN 9780716718222.
5. http://www.elasmo.com/frameMe.html?file=paleo/blkcrk/nc_cret.html&menu=bin/menu_fauna-alt.html

External links

• Pliogonodon in the Paleobiology Database

v t e Neosuchia
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Clade: Pseudosuchia Clade: Metasuchia Pseudosuchia see Pseudosuchia Neosuchia see below↓
Neosuchia Neosuchia †Burkesuchus †Isisfordia †Karatausuchus †Khoratosuchus †Montsecosuchus †Stolokrosuchus? †Susisuchus †Tadzhikosuchus? †Wahasuchus? †Zhyrasuchus? †Thalattosuchia? †Tethysuchia Pholidosauridae Anglosuchus Chalawan Crocodilaemus Dakotasuchus Elosuchus Meridiosaurus Oceanosuchus Pholidosaurus Sarcosuchus Terminonaris Vectisuchus Woodbinesuchus Dyrosauridae Acherontisuchus Anthracosuchus Arambourgisuchus Atlantosuchus Brachiosuchus Cerrejonisuchus Chenanisuchus Congosaurus Dorbignysuchus Dyrosaurus Fortignathus Guarinisuchus Hyposaurus Luciasuchus Phosphatosaurus Rhabdognathus Rodeosuchus Sabinosuchus? Sokotosuchus Tilemsisuchus †Atoposauridae Alligatorellus Alligatorium Aprosuchus Atoposaurus Knoetschkesuchus Sabresuchus Theriosuchus Varanosuchus †Stomatosuchidae Laganosuchus Stomatosuchus †Paluxysuchidae Deltasuchus Paluxysuchus †Goniopholididae Amphicotylus Anteophthalmosuchus Calsoyasuchus Coelosuchus Denazinosuchus Diplosaurus Eutretauranosuchus Goniopholis Hulkepholis Nannosuchus Ophiussasuchus Oweniasuchus Pinacosuchus? Siamosuchus Sunosuchus Symptosuchus? †Bernissartiidae Bernissartia Koumpiodontosuchus †Paralligatoridae Batrachomimus Brillanceausuchus Kansajsuchus Paralligator Rugosuchus Scolomastax Shamosuchus Tarsomordeo Turanosuchus Wannchampsus Yanjisuchus Eusuchia see below↓
Eusuchia Eusuchia †Borealosuchus †Confractosuchus †Dolichochampsa †Gilchristosuchus †Heterosuchus †Isisfordia? †Portugalosuchus †Pristichampsus †Susisuchus? †Titanochampsa? †Atoposauridae? †Bernissartiidae? †Paralligatoridae? †Hylaeochampsidae Acynodon? Hylaeochampsa Iharkutosuchus Pachycheilosuchus? Pietraroiasuchus Turcosuchus Unasuchus †Allodaposuchidae Agaresuchus Allodaposuchus Arenysuchus? Ischyrochampsa Lohuecosuchus Massaliasuchus Musturzabalsuchus? †Aegyptosuchidae Aegyptosuchus Aegisuchus †"Thoracosaurs" Argochampsa Eogavialis Eosuchus Eothoracosaurus Thoracosaurus †Planocraniidae Boverisuchus Duerosuchus Planocrania Crocodilia see Crocodilia for extant taxa, and Extinct Crocodilia for extinct ones
See also: Coelognathosuchia Category

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