†Pentagoniturricula Shuto 1980

Shuto 1980. A note on the Eocene turrids of the Nangulan Formation, Java. Igo, Hisayoshi; Noda, Hiroshi[Eds]. Professor Saburo Kanno memorial volume., University of Tsukuba, Ibaraki, Japan., 1980: i-viii, 1-177. Chapter pagination: 25-52