Batten, R. L. (1985). Permian gastropods from Perak, Malaysia. Part 3: the murchisoniids, cerithiids, loxonematids, and subulitids. American Museum Novitates. 2829:1-40.
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Batten, R. L.
1985
Permian gastropods from Perak, Malaysia. Part 3: the murchisoniids, cerithiids, loxonematids, and subulitids