| Source Data | |
|---|
| Rank | species |
|---|
| Taxonomy (GBIF) | Life : Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia major |
|---|
| Taxonomy (PBDB) | Life : Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia major |
|---|
| Taxonomic Status (GBIF) | accepted |
|---|
Classification
(PBDB,GBIF) | |
|---|
| Generic Name | Leptauchenia |
|---|
| Scientific Name | Leptauchenia major (Leidy, 1856) |
|---|
| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Leptauchenia major | species | belongs to Leptauchenia | stated without evidence | Leidy, 1856 | | Leptauchenia major | species | belongs to Leptauchenia | stated with evidence | Cope, 1884 | | Leptauchenia major | species | belongs to Leptauchenia | stated without evidence | Hay, 1902 | | Leptauchenia major | species | belongs to Leptauchenia | stated with evidence | Scott, 1940 | | Leptauchenia major | species | belongs to Pseudocyclopidius | stated without evidence | Schultz and Falkenbach, 1968 | | Leptauchenia major | species | belongs to Leptauchenia | stated without evidence | CoBabe, 1996 | | Leptauchenia major | species | belongs to Leptauchenia | stated with evidence | Prothero and Sanchez, 2008 |
|
|---|
| Status (PBDB) | extinct |
|---|
| Taxon Size (PBDB) | 1 |
|---|
| First Recorded Appearance | 33.3 - 30.8 Ma
Oligocene |
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| Last Recorded Appearance | 24.8 - 20.4 Ma
Cenozoic |
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| Environment | terrestrial (based on Artiodactyla) |
|---|
| Motility | actively mobile (based on Osteichthyes) |
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| Diet | herbivore (based on Merycoidodontidae) |
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| Taphonomy | phosphatic (based on Vertebrata) |
|---|
| Primary Reference (PBDB) | J. Leidy. 1856. Notice of some remains of extinct vertebrated animals. Proceedings of the Academy of Natural Sciences of Philadelphia |
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| Name | Source | Taxon Rank | Taxonomy |
|---|
| Hadroleptauchenia extrema Schultz & Falkenbach, 1968 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Hadroleptauchenia extrema |
| Hadroleptauchenia shanafeltae Schultz & Falkenbach, 1968 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Hadroleptauchenia shanafeltae |
| Pseudocyclopidius frankforteri Schultz & Falkenbach, 1968 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Pseudocyclopidius frankforteri |
| Leptauchenia densa (Loomis, 1925) | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia densa |
| Leptauchenia margeryae Schultz & Falkenbach, 1968 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Leptauchenia margeryae |
| Cyclopidius simus Cope, 1877 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Cyclopidius simus |
| Brachymeryx feliceps Cope, 1877 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Brachymeryx feliceps |
| Cyclopidius emydinus Cope, 1884 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Cyclopidius emydinus |
| Cyclopidius incisivus Scott, 1893 | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Cyclopidius incisivus |
| Pseudocyclopidius major (Leidy, 1856) | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Pseudocyclopidius major |
| Hadroleptauchenia densa (Loomis, 1925) | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Hadroleptauchenia densa |
| Cyclopidius densa (Loomis, 1925) | GBIF | species | Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : Cyclopidius densa |
| Year | Name and Author |
|---|
| 1856 | Leptauchenia major Leidy p. 163 figs. not figured |
| 1857 | Leptauchenia major Leidy p. 89 |
| 1877 | Brachymeryx feliceps Cope p. 220 |
| 1877 | Cyclopidius simus Cope p. 221 |
| 1884 | Leptauchenia major Cope p. 546 |
| 1884 | Cyclopidius simus Cope p. 547 |
| 1884 | Cyclopidius emydinus Cope p. 553 |
| 1893 | Cyclopidius incisivus Scott p. 661 |
| 1902 | Cyclopidius emydinus Hay p. 670 |
| 1902 | Leptauchenia major Hay p. 670 |
| 1902 | Cyclopidius incisivus Hay p. 671 |
| 1902 | Cyclopidius simus Hay p. 671 |
| 1925 | Leptauchenia densa Loomis |
| 1935 | Cyclopidius densa Schlaikjer |
| 1937 | Leptauchenia major Thorpe p. 238 figs. PI. XXXVI, figs. 5-6; PL XXXVII, figs. 6-8 |
| Leidy J. Notice of some remains of extinct vertebrated animals, Proceedings of the Academy of Natural Sciences of Philadelphia, 163-165 |
| Cope E. D. Descriptions of New Vertebrata from the Upper Tertiary Formations of the West, Proceedings of the American Philosophical Society 17, 219-231 |
| Cope E. D. Synopsis of the species of Oreodontidae, Paleontological Bulletin 38, 503-572 |
| Scott W. B. The Mammals of the Deep River Beds, The American Naturalist 27 319, 659-662 |
| Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868 |
| Thorpe M. R. (1937) The Merycoidodontidae, an extinct group of ruminant mammals, Peabody Museum of Natural History Memoir 3 4, 1-428 |
| Scott W. B. (1940) The mammalian fauna of the White River Oligocene; Part 4, Artiodactyla; Part 5, Perissodactyla, Transactions of the American Philosophical Society 28 4, 363-746 |
| Schultz C. B., Falkenbach C. H. (1968) The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae, Bulletin of the American Museum of Natural History 139, 1-498 |
| Lander B. (1998) Oreodontoidea, Evolution of Tertiary mammals of North America, 402-425 |
| Stevens M. S., Stevens J. B. (2007) Family Merycoidodontidae, The Evolution of Artiodactyls, 157-168 |
| Prothero D. R., Sanchez F. (2008) Systematics of the leptaucheniine oreodonts (Mammalia: Artiodactyla) from the Oligocene and earliest Miocene of North America, Neogene Mammals 44, 335-356 |
Leptauchenia major ✝
