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. (1955) The bituberculate pachydiscids from Hokkaido and Saghalien. (Studies of Cretaceous Ammonites from Hokkaido and Saghalien - VIII) // Memoirs of the Faculty of Science, Kyushu University, series D, Geology. Vol. V, No.3, Fukuoka. Pp.153-184, 8 fig., pl.31-37.