TY  - RPRT
TI  - Pelecypoda and Rostroconchia of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming
AU  - Mackenzie Gordon
AU  - John Pojeta
PY  - 1975
DO  - 10.3133/pp848e
UR  - https://pubs.usgs.gov/publication/pp848E
ID  - pp848E
ER  -