
Fig. 4. The turbinid gastropod Homalopoma abeshinaiensis sp. nov. from the Campanian (Upper Cretaceous) Omagari seep site in Hokkaido, Japan. A. UMUT MM30148 in lateral (A1), latero−apical (A2), and apical (A3) views; A4, juvenile whorl; A5, details of shell ornamentation. B. UMUT MM30149 in apertural (B1), lateral (B2), and umbilical (B3) views. C. Holotype (UMUT MM30150) in lateral (C1, C2) and apical (C3) views. D. UMUT MM30151 in lateral view. E. UMUT MM30152 in apertural (E1), lateral (E2), and umbilical (E3) views.
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 471, DOI: 10.4202/app.2009.0042, http://zenodo.org/record/13276492
Trochida, Homalopoma, Mollusca, Gastropoda, Animalia, Serradonta, Biodiversity, Colloniidae, Pectinodontidae, Taxonomy
Trochida, Homalopoma, Mollusca, Gastropoda, Animalia, Serradonta, Biodiversity, Colloniidae, Pectinodontidae, Taxonomy
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