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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Astrohippus

Description

Astrohippus is an extinct member of the Equidae tribe Equini, the same tribe that contains the only living equid genus, Equus. Fossil remains have been found in the central United States, Florida, and the Mexican states of Chihuahua, Jalisco, and Guanajuato. The fossils date in time from the oldest dating from the Barstovian in the Miocene to the youngest dating in the Hemphillian faunal stage of the early Pliocene.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4830474https://www.gbif.org/species/4830474
PaleoBioDB ID (PBDB)42989https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42989
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Astrohippus
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Astrohippus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SynapsidaOsborn 1903
-Therapsida
infraorderCynodontia
-EpicynodontiaHopson and Kitching 2001
infraorderEucynodontiaKemp 1982
-ProbainognathiaHopson 1990
-MammaliamorphaRowe 1988
-MammaliaformesRowe 1988
classMammaliaLinnaeus 1758
subclassTribosphenida
infraclassEutheria
-PlacentaliaOwen 1837
orderPerissodactyla
suborderLophodontomorphaHooker and Dashzeveg 2004
infraorderEuperissodactylaHooker and Dashzeveg 2004
-Hippomorpha
superfamilyEquoideaHay 1902
familyEquidaeGray 1821
subfamilyEquinaeSteinmann and Döderlein 1890
tribeEquiniQuinn 1955
genusAstrohippusStirton 1940
Scientific NameAstrohippus Stirton, 1940
Name Published InUniv. Calif. Publ. Geol., 25
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Astrohippusgenusbelongs to Calippinistated with evidenceQuinn, 1955
Astrohippusgenusbelongs to Calippinistated without evidenceMooser, 1968
Astrohippusgenusbelongs to Equidaestated without evidenceMacFadden, 1986
Astrohippusgenusbelongs to EquidaeimpliedCarroll, 1988
Astrohippusgenusbelongs to Equinistated without evidenceProthero and Schoch, 1989
Astrohippusgenusbelongs to Equinistated with evidenceKelly, 1995
Astrohippusgenusbelongs to Pliohippinastated with evidencePrado and Alberdi, 1996
Astrohippusgenusbelongs to Equinistated with evidenceMacFadden, 1998
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance23.0 - 10.3 Ma
Miocene
Last Recorded Appearance5.33 - 2.59 Ma
Cenozoic
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietbrowser
Ecospace Commentsbrowser based on hypsodonty, isotopes, and microwear (MacFadden et al. 1999)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. A. Stirton. 1940. Phylogeny of North American Equidae. University of California Publications in Geological Sciences 25(4):165-198
Wikipediahttps://en.wikipedia.org/wiki/Astrohippus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Astrohippus stockii
species
listed (PBDB)1823.0 Ma
Miocene
5.33 Ma
Miocene
Protohippus ansae
species
accepted (GBIF)
listed (PBDB)
910.3 Ma
Miocene
10.3 Ma
Miocene

Synonymy List

YearName and Author
1940Pliohippus (Astrohippus) Stirton p. 190
1950Pliohippus (Astrohippus) Lance
1955Astrohippus Quinn p. 40
1968Astrohippus Mooser p. 1
1986Astrohippus MacFadden p. 467
1988Astrohippus Carroll
YearName and Author
1989Astrohippus Prothero and Schoch p. 532
1991Astrohippus Baskin p. 999
1995Astrohippus Kelly p. 15
1996Astrohippus Prado and Alberdi p. 676
1998Astrohippus MacFadden p. 551

References

Stirton R. A. (1940) Phylogeny of North American Equidae, University of California Publications in Geological Sciences 25 4, 165-198
Lance J. F. (1950) Paleontologia Y Estratigrafia Del Plioceno De Yepomera, Estado De Chihuahua. 1A Parte: Equidos, Excepto Neohipparion, Universidad Nacional Autónoma de México, Instituto de Geología, Boletín 54, 1-81
Quinn J. H. (1955) Miocene Equidae of the Texas Gulf Coastal Plain, Bureau of Economic Geology, The University of Texas Report of Investigations 5516, 1-102
Mooser O. (1968) Fossil Equidae from the Middle Pliocene of the Central Plateau of Mexico, The Southwestern Naturalist 13 1, 1-12 doi:10.2307/3668809
MacFadden B. J. (1986) Late Hemphillian monodactyl horses (Mammalia, Equidae) from the Bone Valley Formation of Central Florida, Journal of Paleontology 60 2, 466-475
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Prothero D. R., Schoch R. M. (1989) Classification of the Perissodactyla, The Evolution of Perissodactyla, 530-537
Kelly T. S. (1995) New Miocene horses from the Caliente Formation, Cuyama Valley Badlands, California, Contributions in Science, Natural History Museum of Los Angeles County 455, 1-33
Prado J. L., Alberdi M. T. (1996) A cladistic analysis of the horses of the tribe Equini, Palaeontology 39 3, 663-680 doi:10.1111/j.1475-4983.2008.00824.x
MacFadden B. J. (1998) Equidae, Evolution of Tertiary Mammals of North America 1, 537-559
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
SN2000/McKenna & Bell, 1997 - via The Interim Register of Marine and Nonmarine Genera
SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera
as per family - via The Interim Register of Marine and Nonmarine Genera
Univ. Calif. Publ. Geol., 25 - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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