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† Orohippus
Orohippus

Additional Functions

Grouping

Belong­ing to

 Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Nephrozoa  ⇒ Abzweig: Deuterostomia  ⇒ Stamm: Chordata  ⇒ Unterstamm: Vertebrata  ⇒ Infrastamm: Gnathostomata  ⇒ Superklasse: Tetrapoda  ⇒ Klasse: Mammalia  ⇒ Unterklasse: Theriiformes  ⇒ Infraklasse: Holotheria  ⇒ Superlegion: Trechnotheria  ⇒ Legion: Cladotheria  ⇒ Sublegion: Zatheria  ⇒ Infralegion: Tribosphenida  ⇒ Superkohorte: Theria  ⇒ Unterklasse: Eutheria  ⇒ Überordnung: Laurasiatheria  ⇒ Ordnung: Perissodactyla  ⇒ Familie: Equidae

Taxo­nomic seg­ment

Gattung

This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.

Name from

Corre­spond­ing author (Name, Year)

Marsh, 1872

Other languages

scientific

Orohippus

Alternative Name

scientific

Helohippus

Marsh, 1892
Ref.: O. C. Marsh. 1892. Recent polydactyle horses. American Journal of Science 43(256):339-355

scientific

Helotherium

Cope, 1872
Ref.: W. Granger. 1908. A revision of the American Eocene horses. Bulletin of the American Museum of Natural History 24(15):221-264

scientific

Oligotomus

Cope, 1873
Ref.: E. D. Cope. 1873. On some Eocene mammals, obtained by Hayden's Geological Survey of 1872. Paleontological Bulletin 12:1-6

Lebenszeitraum in Million Jahren (Ma)

Start age: 50.3 Ma - End age: 40.4 Ma
Phanerozoic
(Phanerozoikum)
Cenozoic
(Känozoikum)
Paleogene
(Paläogen)
Eocene
(Eozän)
Bartonian
(Bartonium)
Lutetian
(Lutetium)
Ypresian
(Ypresium)
37.71
41.2
41.2
47.8
47.8
56

Additional data by PBDB, License: CC BY

Motility: actively mobile
Habit: ground dwelling
Environment: terrestrial
Diet:

browser
Compositon of the remains:

phosphatic

Reference- and Source indication, Literature

Next lower taxonomy level

On the same taxonomic level (siblings) (Count: 23)

Taxonomic assignment (6)

References by PBDB, License: CC BY

  • D. J. Froehlich, 2002 - Quo vadis Eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla) - Zoological Journal of the Linnean Society (134), 141-256 (journal article, English)
  • B. J. MacFadden, 1998 - Equidae - Evolution of Tertiary Mammals of North America (1), 537-559 (book/book chapter, English)
  • W. W. Korth, 1982 - A New Species of Orohippus (Perissodactyla, Equidae) from the Early Eocene of Wyoming - Journal of Vertebrate Paleontology (2), 167-171 (journal article, English)
  • C. L. Gazin, 1976 - Mammalian Faunal Zones of the Bridger Middle Eocene - Smithsonian Contributions to Paleobiology (26), 1-25 (journal article, English)
  • D. B. Kitts, 1957 - A revision of the genus Orohippus (Perissodactyla, Equidae) - American Museum Novitates (1864), 1-40 (journal article, English)
  • W. Granger, 1908 - A revision of the American Eocene horses - Bulletin of the American Museum of Natural History (24), 221-264 (journal article, English)
  • O. C. Marsh, 1892 - Recent polydactyle horses - American Journal of Science (43), 339-355 (journal article, English)
  • E. D. Cope, 1883 - The Vertebrata of the Tertiary Formations of the West. Book I - Report of the United States Geological Survey of the Territories (III), 1- (serial monograph, English)
  • O. C. Marsh, 1874 - Notice of new equine mammals from the Tertiary formation - American Journal of Science (7), 247-258 (journal article, English)
  • E. D. Cope, 1873 - On some Eocene mammals, obtained by Hayden's Geological Survey of 1872 - Paleontological Bulletin (12), 1-6 (journal article, English)
  • O. C. Marsh, 1873 - Notice of new Tertiary mammals - American Journal of Science (5), 407-410 (journal article, English)
  • O. C. Marsh, 1872 - Preliminary description of new Tertiary mammals. Part II - American Journal of Science (4), 202-224 (journal article, English)
  • E. D. Cope, 1871 - Second account of new Vertebrata from the Bridger Eocene - Proceedings of the American Philosophical Society (12), 466-468 (journal article, English)
  • O. C. Marsh, 1871 - Notice of some new fossil mammals from the Tertiary Formation - American Journal of Science (2), 35-44 (journal article, English)
  • J. Leidy, 1870 - [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, November 15th, 1870] - Proceedings of the Academy of Natural Sciences of Philadelphia (22), 125-127 (journal article, English)

IDs

GUSID (Global unique identifier short form) 6UzJiZu5L0CEibcjBmxVgA
GUID (Global unique identifier) 89C94CE9-B99B-402F-8489-B723066C5580
Database ID 59824