Full reference: H. E. Wood. 1961. Planiceps Scott & Osborn, 1887 (Hyracodon): Proposed supression under the plenary powers as a nomen dubium (Mammalia). Bulletin of Zoological Nomenclature 18(3):208-208
Parent taxon: Rhinocerotoidea according to M. W. Colbert and R. M. Schoch 1998
See also Harris 1967, Prothero and Schoch 1989 and Wood 1961
Sister taxa: Amynodontidae, Caenolophus, Eggysodontidae, Ergilia, Huananodon, Hyrachyidae, Hyracodontidae, Meschotherium, Pakitherium, Paraceratheriidae, Punjabitherium, Rhinocerotidae, Siamolophus, Symphysorrhachis, Veragromovia
Subtaxa: Toxotherium hunteri
Type: Toxotherium hunteri
Ecology: ground dwelling browser
Distribution:
• Oligocene of Canada (1: Saskatchewan collection)
• Eocene of Canada (2: Saskatchewan), United States (9: North Dakota, Texas, Wyoming)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.