PBDB Taxon

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Thoracosaurus neocesariensis

Reptilia

Taxonomy

Gavialis neocesariensis was named by De Kay (1842). Its type specimen is ANSP 9437, a mandible (Partial jaw), and it is a 3D body fossil. It is the type species of Thoracosaurus.

It was recombined as Thoracosaurus neocesariensis by Hay (1902), Troxell (1925), Hay (1930), Carpenter (1983) and Brochu (2004).

Synonyms

Thoracosaurus mullicensis was named by Troxell (1925). Its type specimen is YPM 283, a partial skeleton, and it is a 3D body fossil. Its type locality is Mullica Hill, which is in a Campanian/Maastrichtian terrestrial horizon in New Jersey.

It was synonymized subjectively with Thoracosaurus neocesariensis by Brochu (2004) and Brochu (2006).
Thoracosaurus meirsanus was named by Troxell (1925). Its type specimen is YPM 404, a partial skull (Partial skull), and it is a 3D body fossil. Its type locality is Hornerstown area (Hornerstown Fm.) (PROXY), which is in a Maastrichtian marginal marine marl in the Hornerstown Formation of New Jersey.

It was synonymized subjectively with Thoracosaurus neocesariensis by Brochu (2004) and Brochu (2006).
Hyposaurus fraterculus was named by Cope (1869). It is a 3D body fossil. Its type locality is Pemberton Marl Company pit (Hornerstown), which is in a Maastrichtian marginal marine marl in the Hornerstown Formation of New Jersey.

It was recombined as Gavialis fraterculus by Hay (1902) and Hay (1930); it was synonymized subjectively with Thoracosaurus neocesariensis by Denton et al. (1997).
Crocodilus dekayi was named by Leidy (1852). Its type specimen is ANSP 9437, a mandible (Partial jaw), and it is a 3D body fossil.

It was synonymized subjectively with Thoracosaurus neocesariensis by Hay (1902), Hay (1930) and Brochu (2006).
Holopsisuchus brevispinus was named by Cope (1869). Its type specimen is AMNH 2200 and is a 3D body fossil.

It was synonymized subjectively with Thoracosaurus neocesariensis by Brochu (2006).
Crocodilus clavirostris was named by Morton (1845). Its type specimen is ANSP 10079, a partial skull, and it is a 3D body fossil. Its type locality is Vincentown, which is in a Thanetian coastal horizon in the Vincentown Formation of New Jersey.

It was recombined as Sphenosaurus clavirostris by Agassiz (1849); it was synonymized subjectively with Thoracosaurus neocesariensis by Hay (1902) and Hay (1930).

Synonymy list

Year	Name and author
1842	Gavialis neocesariensis De Kay
1845	Crocodilus clavirostris Morton
1849	Sphenosaurus clavirostris Agassiz
1852	Crocodilus dekayi Leidy
1869	Holopsisuchus brevispinus Cope
1869	Hyposaurus fraterculus Cope p. 82
1902	Gavialis fraterculus Hay p. 515
1902	Thoracosaurus neocesariensis Hay p. 515
1925	Thoracosaurus meirsanus Troxell
1925	Thoracosaurus mullicensis Troxell
1925	Thoracosaurus neocesariensis Troxell
1925	Thoracosaurus meirsanus Troxell p. 223
1925	Thoracosaurus mullicensis Troxell p. 227
1930	Gavialis fraterculus Hay p. 148
1930	Thoracosaurus meirsanus Hay p. 150
1930	Thoracosaurus mullicensis Hay p. 150
1930	Thoracosaurus neocesariensis Hay p. 150
1983	Thoracosaurus neocesariensis Carpenter
2004	Thoracosaurus neocesariensis Brochu p. 619

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()

Rank	Name	Author
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
—	Pseudosuchia	(Zittel 1890)
—	Suchia	Krebs 1974
—	Paracrocodylomorpha
—	Loricata	(Merrem 1820)
—	Crocodylomorpha	()
—	Solidocrania
suborder	Crocodyliformes
—	Mesoeucrocodylia	Whetstone and Whybrow 1983
—	Neosuchia	Clark 1988
suborder	Eusuchia	Huxley 1875
—	Crocodylia	(Owen 1842)
—	Longirostres	Cuvier
—	Gavialoidea	(Brochu 1997)
—	Gavialidae	(Adams 1854)
genus	Thoracosaurus	Leidy 1852
species	neocesariensis	(De Kay 1842)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Thoracosaurus neocesariensis De Kay 1842

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Invalid names: Crocodilus clavirostris Morton 1845 [synonym], Crocodilus dekayi Leidy 1852 [objective synonym], Holopsisuchus brevispinus Cope 1869 [synonym], Hyposaurus fraterculus Cope 1869 [synonym], Thoracosaurus meirsanus Troxell 1925 [synonym], Thoracosaurus mullicensis Troxell 1925 [synonym]

Diagnosis

No diagnoses are available