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Anchitherium navasotae

Mammalia - Perissodactyla - Equidae

Taxonomy
Miohippus navasotae 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 Kalobatippus navasotae by MacFadden (1998); it was recombined as Anchitherium navasotae by Stirton (1940), Forsten (1975) and MacFadden (2001).

Synonymy list
YearName and author
1924Miohippus navasotae Hay p. 5
1940Anchitherium navasotae Stirton p. 174
1975Anchitherium navasotae Forsten p. 9 figs. Tables 4, 25; Fig. 3
1998Kalobatippus navasotae MacFadden
2001Anchitherium navasotae MacFadden p. 105

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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
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyEquidae
subfamilyAnchitheriinae()
genusAnchitheriumvon Meyer 1844
speciesnavasotae()

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.

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Diagnosis
ReferenceDiagnosis
A. -M. Forsten 1975Upper cheek teeth with metaloph connected to ectoloph, or occasionally disconnected. Crochet variable, rare, disconnected. Marked protoconule; slight or submerged metaconule. Broad anterior cingulum, no lingual cingulum. Lower teeth with metaconid and metastylid slightly sep- arated in the premolars; slightly separated or undifferentiated in the molars. Continuous anterior, labial, and posterior cingulum; lingual cingulum faint or none. No cement.