Alternative combination: Protostega advena
Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568
Sister taxa: none
Type specimen: KUVP 1209, a partial skeleton (plastron, twelve marginalia, two or three neuralia, and portions of two costal plates). Its type locality is Niobrara, which is in a Senonian marine chalk in the Niobrara Formation of Kansas.
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.