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

Cosoryx furcatus

Mammalia - Antilocapridae

Taxonomy
Cosoryx furcatus was named by Leidy (1869) [genotype; also said to be 1858].

It was recombined as Dicrocerus furcatus by Cope (1875) and Cope (1877); it was recombined as Merycodus furcatus by Hay (1902), Matthew (1904), Furlong (1927), Gregory (1942), Galbreath (1953), Green (1956) and Voorhies (1990).

Synonyms
Synonymy list
YearName and author
1869Cosoryx furcatus Leidy
1875Dicrocerus furcatus Cope p. 257
1877Dicrocerus furcatus Cope
1899Cosoryx agilis Douglass p. 23 figs. Plate 4, Figure 1
1902Merycodus agilis Hay p. 683
1902Merycodus furcatus Hay p. 683
1903Merycodus agilis Douglass
1904Merycodus furcatus Matthew p. 122
1927Merycodus furcatus Furlong
1937Cosoryx burgensis Frick
1937Cosoryx (Paracosoryx) burgensis Frick pp. 307, 343 figs. Figure 37A
1937Cosoryx furcatus Frick p. 340
1942Merycodus furcatus Gregory
1953Merycodus furcatus Galbreath
1956Merycodus furcatus Green
1967Cosoryx furcatus Skinner and Taylor
1984Paracosoryx burgensis Skinner and Johnson p. 293
1990Merycodus furcatus Voorhies
1998Cosoryx furcatus Janis and Manning
2001Cosoryx agilis Tabrum and Nichols p. 91

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
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()
Ruminantiamorpha
Ruminantia(Scopoli 1777)
Pecora()
familyAntilocapridae
subfamilyMerycodontinae()
genusCosoryxLeidy 1869
speciesfurcatusLeidy 1869

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.

Cosoryx furcatus Leidy 1869
show all | hide all
Invalid names: Cosoryx (Paracosoryx) burgensis Frick 1937 [synonym], Cosoryx agilis Douglass 1899 [synonym], Cosoryx burgensis Frick 1937 [synonym]
Cosoryx furcatus mooki Frick 1937
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: grazerg
Reproduction: viviparoussubc
Created: 2009-01-04 10:47:24
Modified: 2009-01-04 12:47:24
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Lillegraven 1979, Carroll 1988, Nowak 1999, Hendy et al. 2009, Solounias and Moelleken 1993

Age range: base of the Barstovian to the top of the Clarendonian or 15.97000 to 10.30000 Ma

Collections (46 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.03 - 5.333USA (Kansas) Cosoryx furcatus (18122)
Miocene23.03 - 5.333USA (South Dakota) Merycodus furcatus (18084 18085 18183 18380 18383 18384)
Miocene23.03 - 5.333USA (Nebraska) Cosoryx furcatus (18210 18238)
Barstovian15.97 - 13.6USA (Nebraska) Cosoryx furcatus (18144) Merycodus furcatus (18443)
Barstovian15.97 - 13.6USA (Nevada) Merycodus furcatus (19088)
Barstovian - Clarendonian15.97 - 10.3USA (Nebraska) Cosoryx furcatus (18270) Cosoryx furcatus, Cosoryx burgensis (18077)
Clarendonian13.6 - 10.3USA (Nebraska) Cosoryx furcatus (18060 18078 18106 18157 18159 18176 18204 18217 18233 18234 18243 18260 18294 18334 18413 18414 18456) Merycodus furcatus (18082 18483)
Clarendonian13.6 - 10.3USA (Nevada) Merycodus furcatus (19035 182562)
Clarendonian13.6 - 10.3USA (South Dakota) Merycodus furcatus (18063 18470 18472 18473 18478 18481 18485 18492 18493)
Clarendonian - Hemphillian13.6 - 4.9USA (South Dakota) Cosoryx furcatus (18087)
Late/Upper Miocene11.608 - 5.333Japan Dicrocerus furcatus (52009)