Gastropods from Late Cretaceous Omagari and Yasukawa Hydrocarbon Seep Deposits in the Nakagawa Area, Hokkaido, Japan

Abstract

Kaim, Andrzej, Jenkins, Robert G., Hikida, Yoshinori (2009): Gastropods from Late Cretaceous Omagari and Yasukawa hydrocarbon seep deposits in the Nakagawa area, Hokkaido, Japan. Acta Palaeontologica Polonica 54 (3): 463-490, DOI: 10.4202/app.2009.0042, URL: http://dx.doi.org/10.4202/app.2009.0042