Mammalia - Hyaenodonta - Hyaenodontidae

Full reference: J. W. Stovall. 1948. Chadron vertebrate fossils from below the Rim Rock of Presidio County, Texas. American Journal of Science 246(2):75-95

Parent taxon: Hyaenodontidae according to G. F. Gunnell 1998

See also Gustafson 1986, Stovall 1948, Van Valen 1966 and Van Valen 1967

Sister taxa: Acarictis, Acrohyaenodon, Ahknatenavus, Arfia, Boritia, Cartierodon, Cynohyaenodon, Eurotherium, Galecyon, Gazinocyon, Hyaenaelurinae, Hyaenodontinae, Hyaenodontipus, Indohyaenodontinae, Koholiinae, Leonhardtina, Matthodon, Neohyaenodon, Oxyaenoides, Paracynohyaenodon, Preregidens, Prionogalidae, Prodissopsalis, Protopsalis, Prototomus, Proviverroides, Pyrocyon, Quercytherium, Schizophagus, Sinopa, Thereutherium, Tinerhodon, Tritemnodon

Subtaxa: Ischnognathus savagei

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Type: Ischnognathus savagei

Ecology: ground dwelling carnivore

Distribution: found only at Big Red Horizon (Main Fossil Level) (Eocene of Texas)

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Specimen images are retrieved through the ePANDDA API.