† Leptoreodon


Additional Functions


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: Artiodactyla  ⇒ Familie: Protoceratidae

Taxo­nomic seg­ment


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)

Wortman, 1898

Other languages



Lebenszeitraum in Million Jahren (Ma)

Start age: 40.4 Ma - End age: 37.2 Ma

Additional data by PBDB, License: CC BY

Motility: actively mobile
Habit: ground dwelling
Environment: terrestrial


Compositon of the remains:


Reference- and Source indication, Literature

Next lower taxonomy level

On the same taxonomic level (siblings) (Count: 9)

Taxonomic assignment (8)

References by PBDB, License: CC BY

  • D. R. Prothero, 2007 - Family Protoceratidae - in D. R. Prothero and S. Foss (eds.), The Evolution of Artiodactyls (), 169-176 (book/book chapter, English)
  • J. A. Ludtke, 2004 - Taxonomic revision of the Middle Eocene (Uintan-Duchesnean) protoceratid Leptoreodon (Mammalia: Artiodactyla) - Paleogene Mammals (26), 101-112 (book chapter, English)
  • T. S. Kelly, 1990 - Biostratigraphy of Uintan and Duchesnean land mammal assemblages from the Middle Member of the Sespe Formation, Simi Valley, California - Contributions in Science, Natural History Museum of Los Angeles County (419), 1-42 (journal article, English)
  • D. J. Golz, 1976 - Eocene Artiodactyla of Southern California - Natural History Museum of Los Angeles Count, Science Bulletin (26), 1-85 (journal article, English)
  • J. A. Wilson, 1974 - Early Tertiary Vertebrate Faunas, Vieja Group and Buck Hill Group, Trans-Pecos Texas: Protoceratidae, Camelidae, Hypertragulidae - Bulletin of the Texas Memorial Museum (23), 1-24 (journal article, English)
  • C. Stock, 1936 - Hesperomeryx, a new artiodactyl from the Sespe Eocene, California - Proceedings of the National Academy of Sciences (22), 177-182 (journal article, English)
  • O. A. Peterson, 1919 - Report Upon the Material Discovered in the Upper Eocene of the Uinta Basin by Earl Douglas in the Years 1908-1909, and by O. A. Peterson in 1912 - Annals of Carnegie Museum (12), 40-168 (journal article, English)
  • J. L. Wortman, 1898 - The extinct Camelidae of North America and some associated forms - Bulletin of the American Museum of Natural History (10), 93-141 (journal article, English)
  • W. B. Scott, 1898 - Preliminary Note on the Selenodont Artiodactyls of the Uinta Formation - Proceedings of the American Philosophical Society (37), 73-81 (journal article, English)


GUSID (Global unique identifier short form) DOcuhHKCJUSiSoPlnIQrMQ
GUID (Global unique identifier) 842EE70C-8272-4425-A24A-83E59C842B31
Database ID 284906