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Merychippus brevidontus

Mammalia - Perissodactyla - Equidae

Taxonomy
Merychippus brevidontus was named by Bode (1935). Its type locality is North Coalinga, which is in a Barstovian terrestrial horizon in the Temblor Formation of California.

It was recombined as Merychippus (Merychippus) brevidontus by Stirton (1940).

Synonymy list
YearName and author
1935Merychippus brevidontus Bode
1940Merychippus (Merychippus) brevidontus Stirton p. 181
1956Merychippus brevidontus Downs p. 284
1998Merychippus brevidontus MacFadden p. 547

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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
subfamilyEquinae
genusMerychippus
speciesbrevidontus

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
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingsubf
Diet: grazersubf
Diet 2: browsersubf
Reproduction: viviparoussubc
Created: 2005-08-31 14:56:53
Modified: 2005-08-31 16:56:53
Source: subf = subfamily, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, MacFadden 1998, Nowak 1991, Carroll 1988, Ji et al. 2002, Lillegraven 1979

Age range: Barstovian or 16.30000 to 12.50000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.03 - 5.333USA (Nevada) Merychippus brevidontus (18922)
Miocene23.03 - 5.333USA (Florida) Merychippus brevidontus (18594)
Hemingfordian - Barstovian20.43 - 12.5USA (California) Merychippus brevidontus (19201)
Barstovian16.3 - 12.5USA (Nevada) Merychippus brevidontus (19088 19103)
Barstovian16.3 - 12.5USA (California) Merychippus brevidontus (19392 type locality: 19460 160743)
Barstovian16.3 - 12.5USA (Oregon) Merychippus brevidontus (19017 19019 19020 19056 19092)
Early/Lower Barstovian - early Late Barstovian16.3 - 12.5USA (California) Merychippus brevidontus (156738)