PBDB Taxon

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

Teratosauridae (teratosaurid)

Reptilia - Teratosauridae

Taxonomy

Teratosauridae was named by Cope (1871). Its type is Teratosaurus.

It was synonymized subjectively with Ornithosuchidae by Walker (1964) and Steel (1970).

It was assigned to Goniopoda by Cope (1871) and Cope (1875); to Megalosauria by Nopcsa (1923); to Megalosauroidea by Nopcsa (1928); to Carnosauria by Kuhn (1946) and Parsch (1963); to Palaeosauria by Colbert (1964); to Deinodontoidea by Tatarinov (1964); to Tyrannosauroidea by Charig (1967); to Megalosauroidea by Maleev (1968); to Teratosauria by Colbert (1970); to Theropoda by Rozhdestvensky (1977); to Carnosauria by Young (1942), Huene (1948), Romer (1956), Huene (1959), Lapparent (1960), Simmons (1965), Benedetto (1973) and Bonaparte (1978); to Theropoda by McIntosh (1981); to Saurischia by Galton (1971) and Battail (1986); and to Suchia by Carrano (2025).

Subtaxa

Cladeiodon, Zatomus

Synonymy list

Year	Name and author
1871	Teratosauridae Cope p. 234
1875	Teratosauridae Cope p. 13
1923	Teratosauridae Nopcsa p. 126
1928	Teratosauridae Nopcsa p. 183
1942	Teratosauridae Young p. 99
1946	Teratosauridae Kuhn p. 65
1948	Teratosauridae Huene p. 89
1956	Teratosauridae Romer p. 614
1959	Teratosauridae Huene p. 120
1960	Teratosauridae Lapparent p. 25
1963	Teratosauridae Parsch p. 4
1964	Teratosauridae Colbert p. 20 fig. 6
1964	Teratosauridae Tatarinov p. 535
1965	Teratosauridae Simmons p. 64
1967	Teratosauridae Charig p. 714
1968	Teratosauridae Maleev p. 95
1970	Teratosauridae Colbert p. 27
1971	Teratosauridae Galton p. 790
1973	Teratosauridae Benedetto
1977	Teratosauridae Rozhdestvensky p. 111
1978	Teratosauridae Bonaparte p. 323
1981	Teratosauridae McIntosh p. 7
1986	Teratosauridae Battail p. 48
2025	Teratosauridae Carrano

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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
family	Teratosauridae
family	Teratosauridae

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. †Teratosauridae Cope 1871 [teratosaurid]

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G. †Cladeiodon Owen 1841

G. †Zatomus Cope 1871

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†Zatomus sarcophagus Cope 1871

Diagnosis

Reference	Diagnosis
B. F. Nopcsa 1928	incompletely known; one prelacrymal fossa; all vertebrae biplane (?)
P. M. Galton 1971	assignment questionable, as incertae sedis

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 Anisian to the top of the Middle Campanian or 247.20000 to 70.60000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Anisian	247.2 - 242.0	Poland	Cladyodon sp. (63538)
Early/Lower Campanian - Middle Campanian	83.5 - 70.6	USA (North Carolina)	Zatomus sp. (57918)