Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Geniokeryx nanus

Mammalia - Anthracotheriidae

Taxonomy
Geniokeryx nanus was named by Ducrocq et al. (2021). Its type specimen is BM 02-08-20-1, a mandible (Left lower jaw with p1–m3), and it is a 3D body fossil. Its type locality is Bang Mark Lignite Mine, which is in an Eocene fluvial-lacustrine lignite in Thailand.

Synonymy list
YearName and author
2021Geniokeryx nanus Ducrocq et al. fig. 5A–C

Is something missing? Join the Paleobiology Database and enter the data

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
familyAnthracotheriidaeLeidy 1869
subfamilyMicrobunodontinaeLihoreau and Ducrocq 2007
genusGeniokeryx
speciesnanus

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.

†Geniokeryx nanus Ducrocq et al. 2021
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:33:14
Modified: 2005-08-31 16:33:14
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Nowak 1999, Hendy et al. 2009, Kron and Manning 1998

Age range: Late/Upper Eocene or 37.71000 to 33.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.71 - 33.9Thailand Geniokeryx nanus (type locality: 13127)