UPPER PENNSYLVANIAN AND LOWER PERMIAN FUSULINIDS FROM NORTH-CENTRAL TEXAS
Published:June 17, 1966
A. E. Kauffman, R. I. Roth, 1966. "UPPER PENNSYLVANIAN AND LOWER PERMIAN FUSULINIDS FROM NORTH-CENTRAL TEXAS", Upper Pennsylvanian and Lower Permian Fusulinids From North-Central Texas, A. E. Kauffman, R. I. Roth
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Fusulinids collected mainly from Virgilian (Cisco) rocks but including some from the upper Missourian (Canyon) and Lower Permian (Wolfcampian) are described and illustrated. One species of Schubertella, 3 of Dunbarinella, and 10 of Triticites are recognized as new. Also, Triticites plummeri Dunbar and Condra is divided into three subspecies. The Belknap Limestone, commonly regarded as Upper Pennsylvanian (Cisco), is assigned to the Wolfcampian, Permian, because of the occurrence of characteristic Lower Permian fusulinids.