Alternative combination: Calippus (Calippus) regulus
Synonym: Calippus anatinus Quinn 1955
Full reference: C. S. Johnston. 1937. Description of a New Horse, Calippus regulus from the Clarendon Beds of Donley County, Texas. American Midland Naturalist 18(5):905-907
Sister taxa: none
- Calippus regulus: West Texas State College Museum 878, a maxilla (right upper molar-premolar series (P2-M3) of an adult individual, l still in place in the maxillary). Its type locality is Grant Lease, which is in a Miocene terrestrial horizon in Texas.
- Calippus anatinus: BEG 30896-173, a skull. Its type locality is Buckner Ranch Site 1, which is in a Clarendonian terrestrial horizon in the Goliad Formation of Texas.
Ecology: ground dwelling grazer
Total: 27 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.