A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #0-9

Matsumoto T., Obata I. (1982) Some interesting Acanrhocerataceans from Hokkaido (Studies of Cretaceous ammonites from Hokkaido - XLII) // Bulletin of the National Science Museum, Series C, Geology and Paleontology, vol.8, no.2, 67-92, 3 fig., 6 plts.