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Prosynthetoceras texanus

Mammalia - Artiodactyla - Protoceratidae

Taxonomy
Dromomeryx texanus was named by Hay (1924). It is a 3D body fossil. Its type locality is Garvin Gully, which is in a Hemingfordian terrestrial horizon in the Oakville Formation of Texas.

It was recombined as Cranioceras texanus by Frick (1937); it was recombined as Blastomeryx texanus by Wood and Wood (1937); it was recombined as Syndyoceras texanus by Hesse (1942); it was recombined as Prosynthetoceras texanus by Patton (1967), Patton (1969), Patton and Taylor (1971), Janis and Manning (1998), Prothero (1998), Albright (1999) and Webb et al. (2003).

Synonyms
Synonymy list
YearName and author
1924Dromomeryx texanus Hay p. 15
1924Dromomeryx angustidens Hay p. 16
1924Merycodus grandis Hay p. 17
1937Cranioceras texanus Frick
1937Synthetoceras rileyi Frick
1937Blastomeryx texanus Wood and Wood
1941Syndyoceras australis White p. 97 figs. pl. XV, figs. 2 and 2a
1942Syndyoceras texanus Hesse
1947Synthetoceras douglasi White
1967Prosynthetoceras texanus Patton pp. 37-39
1969Prosynthetoceras texanus Patton
1971Prosynthetoceras texanus Patton and Taylor
1998Prosynthetoceras texanus Janis and Manning
1998Prosynthetoceras texanus Prothero
1999Prosynthetoceras texanus Albright
2003Prosynthetoceras texanus Webb et al. p. 353

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
Ruminantiamorpha
familyProtoceratidae
subfamilySynthetoceratinaeFrick 1937
tribeSynthetoceratini
genusProsynthetoceras
speciestexanus()

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.

Diagnosis
ReferenceDiagnosis
T. E. White 1941 (Syndyoceras australis)A slightly smaller species than the genotype with a relatively shorter diastema between p1 and p2, and shorter p4 and m1 .