Tritemnodon: Difference between revisions

Tritemnodon Temporal range: Early Eocene
Restoration of Tritemnodon agilis
Tritemnodon agilis skeleton
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Genus:	†Tritemnodon Matthew, 1906
Type species
†Tritemnodon agilis Marsh, 1872
Synonyms
synonyms of speacies: T. agilis: Limnocyon agilis (Marsh, 1872) Sinopa agilis (Matthew, 1901) Sinopa brevicalcaratus (Cope, 1872) Sinopa gracilis (Wortman, 1902) Stypolophus agilis Stypolophus brevicolcarabus (Cope, 1872) Stypolophus brevicalcaratus (Cope, 1872)

Tritemnodon ("three cutting teeth") was a genus of hyaeanodontid which lived 50.5-46.2 million years ago. Fossils of Tritemnodon agilis have been found in Utah and Wyoming (Willwood Formation of Big Horn County and the Lower Bridger Formation of Uinta County), and it was the size of a wolf.

Phylogeny

The phylogenetic relationships of genus Tritemnodon are shown in the following cladogram.

†Hyaenodonta	†Eoproviverra †Boualitomus †Hyaenodonta sp. (Quarry L-41, Fayum, Egypt) †Lahimia †Arfiidae †Limnocyonidae †Sinopidae †Hyaenodontoidea †Gazinocyon †Pyrocyon †Galecyon †Indohyaenodontidae †Glibzegdouia †Parvavorodon  †Tritemnodon  †Tritemnodon agilis †Tritemnodon sp. (FMNH PM 55839) †Koholiidae †Furodon †Kyawdawia †Paratritemnodon †Teratodontidae †Hyainailouroidea †Apterodontinae †Orienspterodon †Hyainailourinae †Hemipsalodon  ?  †Ischnognathus †Akhnatenavus clade †Akhnatenavus †"Pterodon" africanus †"Pterodon" phiomensis †Paroxyaenini †Hyainailourini †Pterodontina †Kerberos †Falcatodon †Sectisodon †Exiguodon †Isohyaenodon zadoki  †Isohyaenodon  (†Isohyaenodontina)  †Isohyaenodon andrewsi  †Sivapterodon †Hyainailouros bugtiensis  †Hyainailouros napakensis  †Hyainailouros  †Hyainailouros sulzeri  File:Hyainailouros-sulzeri.jpg †Hyainailourinae sp. (Arrdrift) †Simbakubwa †Mlanyama †Metapterodontini †Megistotherium †Leakitheriini †Pakakali †Prionogalidae Hyainailouridae	†Lahimia clade †Arfia clade †Galecyon clade †Indohyaenodon clade †Tritemnodon clade

References

• Naoko Eg et al. (2004). "A new genus and species of hyaenodontid creodont from the Pondaung Formation (Eocene, Myanmar)" Journal of Vertebrate Paleontology 24(2): 502–506 doi:10.1671/2481.