PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Poposauridae

Reptilia - Poposauridae

Taxonomy

Poposauridae was named by Nopcsa (1923). Its type is Poposaurus.

It was assigned to Poposauria by Nopcsa (1923); to Poposauroidea by Huene (1934) and Huene (1934); to Ornithopoda by Roxo (1937) and Kuhn (1946); to Tyrannosauroidea by Kuhn (1966); to Pseudosuchia by Galton (1977); to Carnosauria by Colbert (1961), Romer (1966), Steel (1970) and Anderson and Cruickshank (1978); to Rauisuchia by Galton (1985), Parrish and Carpenter (1986) and Carroll (1988); to Suchia by Sereno (1991); to Rauisuchia by Long and Murry (1995); to Paracrocodylomorpha by Parrish (1993) and Alcober and Parrish (1997); and to Poposauroidea by Nopcsa (1928) and Weinbaum and Hungerbühler (2007).

Subtaxa

Heptasuchus, Lythrosuchus

Synonymy list

Year	Name and author
1923	Poposauridae Nopcsa p. 126
1928	Poposauridae Nopcsa p. 184
1934	Poposauridae Huene p. 15
1937	Poposauridae Roxo p. 65
1946	Poposauridae Kuhn p. 66
1961	Poposauridae Colbert
1966	Poposauridae Kuhn p. 94
1966	Poposauridae Romer p. 369
1970	Poposauridae Steel p. 27
1977	Poposauridae Galton p. 244
1978	Poposauridae Anderson and Cruickshank p. 31
1985	Poposauridae Galton
1986	Poposauridae Parrish and Carpenter p. 152
1988	Poposauridae Carroll
1991	Poposauridae Sereno p. 11
1993	Poposauridae Parrish p. 290 fig. 1
1995	Poposauridae Long and Murry p. 142
1997	Poposauridae Alcober and Parrish
2007	Poposauridae Weinbaum and Hungerbühler p. 132

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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	()

Rank	Name	Author
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
—	Pseudosuchia	(Zittel 1890)
—	Suchia	Krebs 1974
—	Paracrocodylomorpha
family	Poposauridae
family	Poposauridae

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.

Fm. †Poposauridae Nopcsa 1923

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G. †Heptasuchus Dawley et al. 1979

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†Heptasuchus clarki Dawley et al. 1979

G. †Lythrosuchus Long and Murry 1995

Diagnosis

Reference	Diagnosis
B. F. Nopcsa 1928	definition as above

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Diet:

carnivoresubo

Created:

2009-01-03 20:38:45

Modified:

2009-01-03 22:38:45

Source: subo = suborder, subc = subclass, c = class, subp = subphylum

References: Benton 1983, Hendy et al. 2009, Carroll 1988

Age range: base of the Carnian to the top of the Rhaetian or 237.00000 to 201.30000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Carnian	237.0 - 228.0	USA (Wyoming)	Heptasuchus clarki (91403)
Norian - Rhaetian	228.0 - 201.3	USA (Colorado)	Poposauridae indet. (92089)