TY - BOOK AU - Bird,Samuel O. TI - A pelecypod fauna from the Gaptank Formation (Pennsylvanian) west Texas, AV - QE811 .B57 U1 - 564/.1 PY - 1968/// CY - Ithaca, N.Y. PB - Paleontological Research Institution KW - Bivalves, Fossil KW - Texas KW - Paleontology KW - Pennsylvanian KW - Texas, West N1 - Bibliography: p. 167-173 ER -