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Synthetoceras tricornatus

Mammalia - Protoceratidae

Taxonomy
Synthetoceras tricornatus was named by Stirton (1932) [genotype]. Its type specimen is UCMP 31520, a partial skeleton ([skull] slightly crushed on right side, some displacement of left orbit and pterygoid region; major portion of right branch and tip of left branch of rostral ho), and it is a 3D body fossil. Its type locality is Bromley Ranch, which is in a Clarendonian terrestrial horizon in Texas.

Synonymy list
YearName and author
1932Synthetoceras tricornatus Stirton p. 147 figs. 1 - 3; Plate 6 - 11
1981Synthetoceras tricornatus Thurmond and Jones p. 189
2019Synthetoceras tricornatus May

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
familyProtoceratidae
subfamilySynthetoceratinaeFrick 1937
genusSynthetoceras
speciestricornatus

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.

†Synthetoceras tricornatus Stirton 1932
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: grazerg
Reproduction: viviparoussubc
Created: 2009-01-04 10:48:40
Modified: 2009-01-04 12:48:40
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Nowak 1999, Carroll 1988, Prothero 1998, Lillegraven 1979, Hendy et al. 2009, Solounias and Moelleken 1993

Age range: base of the Hemphillian to the top of the Clarendonian or 10.30000 to 9.40000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Clarendonian12.5 - 9.4USA (Nebraska) Synthetoceras tricornatus (18315)
Clarendonian12.5 - 9.4USA (Texas) Synthetoceras sp. (18623 18640) Synthetoceras tricornatus (type locality: 18074 18244 18252 18347 18355 18610 18645)
Hemphillian10.3 - 4.9USA (Alabama) Synthetoceras tricornatus (81498)
Hemphillian10.3 - 4.9USA (Florida) Protoceratidae indet. (18560)