Batten, Roger Lyman
Permian gastropods and chitons from perak, Malaysia : part. 1, Chitons, Bellerophontids, Euomphalids and Pleurotomarians / Roger L. Batten. -- New Yok : [s.n.], 1972 - 44p. -- (Bulletin of the American Museum of Natural History ; 147, 1).
Gastrópodos
594.3
Permian gastropods and chitons from perak, Malaysia : part. 1, Chitons, Bellerophontids, Euomphalids and Pleurotomarians / Roger L. Batten. -- New Yok : [s.n.], 1972 - 44p. -- (Bulletin of the American Museum of Natural History ; 147, 1).
Gastrópodos
594.3