PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Diademodontidae

Taxonomy

Diademodontidae was named by Haughton (1925). It is not extant.

It was assigned to Cynodontia by Kuhn (1946); to Cynodontia by Haughton and Brink (1954); to Eucynodontia by Kemp (1982); to Tritylodontoidea by Carroll (1988); and to Gomphodontia by Bonaparte (2012).

Subtaxa

Cynochampsa, Cynochampsa laniaria, Gomphognathus, Titanogomphodon

Synonyms

Gomphognathidae is a family. Its type is Gomphognathus.

It was synonymized subjectively with Diademodontidae by Kuhn (1946).

It was assigned to Theriodontia by Perrier (1928).
Cynochampsa was named by Owen (1860).

It was considered a nomen vanum by Hopson and Kitching (1972).

It was assigned to Cynodontia by Owen (1861); and to Therocephalia by Broom (1913).
Cynochampsa laniaria was named by Owen.

It was considered a nomen vanum by Hopson and Kitching (1972).

Synonymy list

Year	Name and author
1860	Cynochampsa Owen p. 61 figs. Pl. 3:1-4
1861	Cynochampsa Owen p. 269
1913	Cynochampsa Broom
1913	Cynochampsa laniaria Broom
1925	Diademodontidae Haughton
1928	Gomphognathidae Perrier p. 3085
1946	Diademodontidae Kuhn p. 57
1954	Diademodontidae Haughton and Brink p. 8
1982	Diademodontidae Kemp p. 349
1988	Diademodontidae Carroll
2012	Diademodontidae Bonaparte

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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

Rank	Name	Author
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Epicynodontia
infraorder	Cynognathia
—	Gomphodontia	(Seeley 1895)
family	Diademodontidae	Haughton 1925
family	Diademodontidae	Haughton 1925

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. †Diademodontidae Haughton 1925

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G. †Titanogomphodon Keyser 1973

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†Titanogomphodon crassus Keyser 1973

Invalid names: Cynochampsa Owen 1860 [nomen vanum], Cynochampsa laniaria Owen [nomen vanum], Gomphognathidae [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialuc

Locomotion:

actively mobilec

Diet:

herbivoref

Comments:

as "Diademodontoidea"f

Created:

2009-01-03 20:35:50

Modified:

2009-01-03 22:35:50

Source: f = family, c = class, subp = subphylum, uc = unranked clade

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

Age range: base of the Anisian to the top of the Sinemurian or 247.20000 to 190.80000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Anisian	247.2 - 242.0	Tanzania (Ruvuma)	Diademodontidae indet. (105297)
Anisian - Ladinian	247.2 - 237.0	Namibia	Titanogomphodon crassus (99459)
Hettangian - Sinemurian	201.3 - 190.8	South Africa (Free State)	Diademodontidae indet. (39659)