Named By: Romer & Price - 1940.
Classification: Chordata, Synapsida, Ophiacodontidae.
Species: B. trux (type), B. dunkardensis.
Size: Uncertain due to lack of remains.
Known locations: USA, New Mexico, Ohio.
Time period: Early Permian.
Fossil representation: Partial maxillas and vertebrae.
Baldwinonus is a poorly known genus of pelycosaur that so far is only known from very partial remains.
- The anatomy and relationships of Stereophallodon and Baldwinonus (Reptilia, Pelycosauria). - Breviora 485: 1–34. - D. Brinkman & D. A. Eberth - 1986.