Alternative combinations: Horridonia bullocki, Sowerbina bullocki
Full reference: S. J. Nelson and C. E. Johnson. 1968. Permo-Pennsylvanian brachythyrid and horridonid brachiopods from the Yukon Territory, Canada. Journal of Paleontology 42(3):715-746
Type specimen: UA 524, a shell (Articulated shell)
• Leonard of Canada (2: Yukon collections)
• Wolfcamp of Canada (1: Yukon)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.