Alternative combination: Peratherium youngi
Synonyms: Herpetotherium spindleri Macdonald 1963, Peratherium spindleri Macdonald 1963
See also Macdonald 1963
- Herpetotherium youngi: Its type locality is Young Site, which is in a Harrisonian terrestrial sandstone in the Harrison Formation of Nebraska
- Peratherium spindleri: SDSM 54343, a mandible (fragment of right mandible, with m1-4 and the roots of p3-4.). Its type locality is Sharps (SDSM V-5354), which is in a Geringian terrestrial horizon in the Sharps Formation of South Dakota.
• Harrisonian of United States (7: Nebraska collections)
Total: 23 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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