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Hyracotherium

Mammalia - Perissodactyla - Palaeotheriidae

Taxonomy
Hyracotherium was named by Owen (1841) [type European H. leporinum; also said to be 1840]. It is not extant. Its type is Hyracotherium leporinum.

It was assigned to Artiodactyla by Owen (1848); to Equoidea by Prothero and Schoch (1989); to Hippomorpha by Froehlich (2002); to Hyracotheriinae by Cope (1881), MacFadden (1998) and Lucas and Kondrashov (2004); to Equidae by Owen (1841), Carroll (1988) and Rose et al. (2012); and to Palaeotheriidae by Hooker (1994), Hooker (1996), Hooker and Dashzeveg (2004) and Remy (2017).

Synonymy list
YearName and author
1841Hyracotherium Owen
1848Hyracotherium Owen p. 139
1881Hyracotherium Cope p. 381
1988Hyracotherium Carroll
1989Hyracotherium Prothero and Schoch p. 531
1994Hyracotherium Hooker
1996Hyracotherium Hooker p. 159
1998Hyracotherium MacFadden p. 542
2002Hyracotherium Froehlich p. 159 fig. 1
2004Hyracotherium Hooker and Dashzeveg p. 1374
2004Hyracotherium Lucas and Kondrashov pp. 217-218
2012Hyracotherium Rose et al.
2017Hyracotherium Remy

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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
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyPalaeotheriidaeBonaparte 1850
genusHyracotheriumOwen 1841

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.

G. †Hyracotherium Owen 1841
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Hyracotherium levei Hooker 1994
Hyracotherium remyi Checa-Soler 1997
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Invalid names: Hyrachyus singularis Cope 1875 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Diet 2: folivoref
Reproduction: viviparoussubc
Created: 2005-09-01 05:07:24
Modified: 2005-09-01 08:24:50
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Benton 1996, Carroll 1988, Lillegraven 1979

Age range: base of the Graybullian to the top of the Early/Lower Eocene or 55.80000 to 48.60000 Ma

Collections (203 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8France (Île-de-France) H. leporinum (68437)
Ypresian56.0 - 47.8United Kingdom (England) H. leporinum (13299 68436 68439)
Ypresian56.0 - 47.8France (Marne) H. leporinum (35537)
Ypresian56.0 - 47.8France (Aisne) Propachynolophus levei (220834)
Graybullian55.8 - 50.3USA (Wyoming) H. vasacciense (15878)
Lostcabinian55.8 - 50.3USA (Wyoming) H. vasacciense (15901 15903 15915 15917 15930 15945 16068 16073 16076 16078)
Lysitean55.8 - 50.3USA (Colorado) H. vasacciense (15653)
Lysitean55.8 - 50.3USA (Wyoming) H. sp. (16061) H. vasacciense (15881)
Wasatchian55.8 - 50.3USA (Wyoming) H. angustidens (15467 15468 15469 15471 15472 15476 15478 15717 15889 15943 15994 16016 16017 16020 16023 16028) H. boreale (15996) H. sp. (15455 15552 15559 15572 15573 15575 15576 15577 15578 15593 15682 15688 15689 15898 27268 46737 46751 46752 46829) H. vasacciense (15479 15486 15665 15710 15711 15714 15839 15848 15852 15902 15935 15957 15964 16063 16067 16075)
Wasatchian55.8 - 50.3USA (Mississippi) H. sp. (15719)
Wasatchian55.8 - 50.3USA (New Mexico) Homogalax protapirinus (15439) H. vasacciense (15441)
Wasatchian55.8 - 50.3USA (Colorado) H. angustidens (15450 15480 15485 15865) H. sp. (15220 15221 15225 15260 15261 15262 15263 15264 15266 15267 15268 15269 15271 15272 15273 15274 15277 15278 15282 15283 15285 15286 15289 15290 15292 15294 15295 15296 15297 15298 15300 15301 15304 15307 15309 15310 15311 15313 15314 15315 15317 15319 15320 15324 15325 15326 15329 15331 15332 15335 15338 15340 15343 15349 15350 15354 15355 15357 15360 15363 15365 15366 15367 15368 15370 15371 15372 15374 15375 15376 15377 15379 15381 15382 15383 15384 15385 15387 15388 15389 15392 15393 15395 15396 15397 15399 15401 15402 15403 15404 15405 15409 15410 15413 15414 15416 15418 15420 15421 15422 15426 15428 15484 15646) H. vasacciense (15650)
Wasatchian55.8 - 50.3USA (Texas) H. vasacciense (15847 200443 200445)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) H. sp. (15691 15693)
Early/Lower Eocene55.8 - 48.6Spain (Lleida) Propachynolophus remyi (88345)
Wasatchian - Bridgerian55.8 - 46.2USA (Wyoming) H. vasacciense (15669)
Early/Lower Eocene - Middle Eocene55.8 - 37.2United Kingdom (England) H. leporinum (3256)
Bridgerian50.3 - 46.2USA (Colorado) H. vasacciense (16239 16240 16241 16242 16297)
Bridgerian50.3 - 46.2USA (Utah) H. vasacciense (16396)
Bridgerian50.3 - 46.2USA (Wyoming) H. sp. (15837) H. vasacciense (16198 16207 16388 16408)