
Fig. 6. The turbinid gastropod Cantrainea yasukawensis sp. nov. from the Campanian (Upper Cretaceous) Yasukawa seep site in Hokkaido, Japan. A. UMUT MM30164 in lateral (A1), apertural (A2), and umbilical (A3) view; A4, details of inner lip. B. UMUT MM30154 in apical view. C. UMUT MM30156 in apical view. D. UMUT MM30159 in apical view. E. UMUT MM30157 in apical view. F. UMUT MM30155 in latero−apical view. G. UMUT MM30160 in apical view. H. Holotype (UMUT MM30158) in umbilical view. I. UMUT MM30153 in umbilical view.
Published as part of Kaim, Andrzej, Jenkins, Robert G. & Hikida, Yoshinori, 2009, Gastropods from Late Cretaceous Omagari and Yasukawa hydrocarbon seep deposits in the Nakagawa area, Hokkaido, Japan, pp. 463-490 in Acta Palaeontologica Polonica 54 (3) on page 473, DOI: 10.4202/app.2009.0042, http://zenodo.org/record/13276492
Trochida, Mollusca, Gastropoda, Animalia, Biodiversity, Cantrainea, Colloniidae, Taxonomy
Trochida, Mollusca, Gastropoda, Animalia, Biodiversity, Cantrainea, Colloniidae, Taxonomy
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