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Hippopotamus afarensis

Mammalia - Hippopotamidae

Taxonomy
Trilobophorus afarensis was named by Geze (1985). Its type specimen is AL 74-20, a partial skull (calvarium), and it is a 3D body fossil. Its type locality is Hadar - SH General, which is in a Piacenzian fluvial-lacustrine horizon in the Hadar Formation of Ethiopia. It is the type species of Trilobophorus.

It was recombined as Hippopotamus afarensis by Weston and Boisserie (2010).

Synonymy list
YearName and author
1985Trilobophorus afarensis Geze p. 92
2005Trilobophorus afarensis Boisserie p. 4 figs. Table 1
2010Hippopotamus afarensis Weston and Boisserie p. 862

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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
RankNameAuthor
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
superfamilyHippopotamoideaGray 1821
familyHippopotamidae
subfamilyHippopotaminaeGray 1821
genusHippopotamus
speciesafarensis()

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: terrestrialo
Locomotion: actively mobilec
Life habit: amphibiousg
Diet: grazerf
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2012-04-17 11:18:49
Modified: 2012-04-16 20:18:49
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Nowak 1991, Nowak 1999, Lillegraven 1979, Gingerich 2003

Age range: Piacenzian or 3.60000 to 2.58800 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Piacenzian3.6 - 2.588Ethiopia Trilobophorus afarensis (type locality: 21783 21785)