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

Heteromeryx dispar

Osteichthyes - Protoceratidae

Taxonomy
Heteromeryx dispar was named by Matthew (1905) [genotype]. Its type locality is Indian Creek (Middle Titanotherium Beds), which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota.

Synonymy list
YearName and author
1905Heteromeryx dispar Matthew
1940Heteromeryx dispar Scott p. 558

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
RankNameAuthor
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Ruminantiamorpha
familyProtoceratidae
genusHeteromeryx
speciesdispar

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.

Heteromeryx dispar Matthew 1905
show all | hide all
Diagnosis
ReferenceDiagnosis
W. D. Matthew 1905ze somewhat less than Protoceras celer,· a little larger than "Leptomeryx" mammifer Cope, which may prove to belong to this or a closely allied genus rather than to Leptomeryx. Type No. 12326, skull and fragmen- tary skeleton from the Middle Titanotherium Beds on Indian Creek, Cheyenne River, S. Dakota.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:39:46
Modified: 2009-01-07 18:24:42
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Prothero 1998, Nowak 1999, Carroll 1988, Lillegraven 1979, Hendy et al. 2009

Age range: base of the Duchesnean to the top of the Chadronian or 39.70000 to 33.90000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Duchesnean39.7 - 37.0USA (Texas) Heteromeryx dispar (16829 16830)
Chadronian37.0 - 33.9USA (South Dakota) Heteromeryx dispar (16969 type locality: 16978)
Chadronian37.0 - 33.9USA (Nebraska) Heteromeryx dispar (16941)