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Hippopotamus karumensis

Mammalia - Hippopotamidae

Taxonomy
Hexaprotodon karumensis was named by Coryndon (1977). Its type specimen is KNM-ER 798, a partial skull, and it is a 3D body fossil.

It was recombined as Hippopotamus karumensis by Coryndon (1977) and Weston and Boisserie (2010).

Synonymy list
YearName and author
1977Hippopotamus karumensis Coryndon
1977Hexaprotodon karumensis Coryndon p. 79
2010Hippopotamus karumensis Weston and Boisserie p. 861

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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()
—Whippomorpha
superfamilyHippopotamoideaGray 1821
familyHippopotamidae
subfamilyHippopotaminaeGray 1821
genusHippopotamus
specieskarumensis()

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.

†Hippopotamus karumensis Coryndon 1977
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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: Hendy et al. 2009, Nowak 1991, Gingerich 2003, Carroll 1988, Nowak 1999, Lillegraven 1979

Age range: base of the Gelasian to the top of the Late/Upper Pleistocene or 2.58800 to 0.01170 Ma

Collections (45 total)


Time interval Ma Country or state Original ID and collection number
Zanclean - Calabrian5.333 - 0.774Kenya Hexaprotodon karumensis (21473)
Late/Upper Pliocene - Early/Lower Pleistocene3.6 - 0.781Kenya (Rift Valley) Hexaprotodon karumensis (21288 21289 21291 21292 21352)
Gelasian2.588 - 1.806Kenya Hexaprotodon karumensis (21376 21398 21418 21461 21474 21478 21503 21504 21505)
Gelasian - Calabrian2.588 - 0.774Kenya (Rift Valley) Hexaprotodon karumensis (21350)
Gelasian - Calabrian2.588 - 0.774Kenya Hexaprotodon karumensis (21367 21370 21378 21396 21402 21445 21448 21452 21454 21462 21472 21500 21532 32051 32053)
Pleistocene2.588 - 0.0117Eritrea (Afar Depression) Hexaprotodon karumensis (22488)
Calabrian1.8 - 0.774Kenya (Rift Valley) Hexaprotodon karumensis (21294 21295 21297 21343)
Calabrian1.8 - 0.774Kenya Hexaprotodon karumensis (21368 21403 21449 32057 32058 32060 32063 32085)
Late/Upper Pleistocene0.129 - 0.0117Kenya (Rift Valley) Hexaprotodon karumensis (21358)