Permian gastropods and chitons from Perak, Malaysia. Part 1, Chitons, bellerophontids, euomphalids and pleurotomarians. Bulletin of the AMNH ; v. 147, article 1

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New York : [American Museum of Natural History]
"One of the richest Permian gastropod faunas of Asia was found during intensive field work conducted by the Geological Survey of Malaysia. Discovered in the H.S. Lee Mine no. 8 near Kampar, Perak, it rivals any known Permian fauna with the exception of the Permian of west Texas. Twenty-eight species of bellerophontids and pleurotomarians are herein described, including one new genus, Ambozone, one new subgenus, Glabrocingulam (Stenozone), and 11 new species. The dominant pleurotomarian family is the Eotomariidae which is also the most diverse group in other Permian faunas. The fauna resembles those described from other regions of Southeast Asia, but includes genera hitherto known only from the Sosio beds of Sicily and the Permian of west Texas. The Malaysian fauna is important because it gives a much more complete picture of the Tethyan gastropods of eastern Asia and because of important new species which greatly enlarges our understanding of Upper Paleozoic gastropod phylogeny. The fauna also aids in demonstrating the existence of marine seaways from Sosio, Sicily eastward to Texas and possibly South America"--P. 5.
p. 3-44 : ill. ; 27 cm.
Includes bibliographical references (p. 41-44).