| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tritylodontoidea (disused)
Taxonomy
Tritylodontoidea was named by Simpson (1928). It was considered monophyletic by Waldman and Savage (1972).
It was reranked as the infraorder Tritylodontoidea by Waldman and Savage (1972); it was reranked as the superfamily Tritylodontoidea by Tatarinov (2008).
It was assigned to Multituberculata by Simpson (1928), Simpson (1929) and Huene (1940); to Therapsida by Waldman and Savage (1972); to Eucynodontia by Carroll (1988); and to Cynognathia by Tatarinov (2008).
It was reranked as the infraorder Tritylodontoidea by Waldman and Savage (1972); it was reranked as the superfamily Tritylodontoidea by Tatarinov (2008).
It was assigned to Multituberculata by Simpson (1928), Simpson (1929) and Huene (1940); to Therapsida by Waldman and Savage (1972); to Eucynodontia by Carroll (1988); and to Cynognathia by Tatarinov (2008).
Subtaxa
Synonymy list
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Subor. †Tritylodontoidea Simpson 1928
show all | hide all
Invalid names: Bienotheriidae Young 1940 [empty]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. G. Simpson 1928 | Multituberculata having upper molars quadrate, with three rows of two to four cusps each. Cheek teeth little differentiated, at least five molariform teeth of identical pattern, no trenchant premolars. Lachrymals and frontals large. Long narrow palate without vacuities and with choanae far forward. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
| Source: subo = suborder, o = order, c = class, subp = subphylum | |||||
| References: Jenkins and Krause 1983, Hopson 1973, Benton 1983, Hendy et al. 2009, Carroll 1988 | |||||