Traits taxon details
original description
(of Turritella yaegashii Nagao, 1934 †) Nagao, T. (1934). Cretaceous Mollusca from the Miyako District, Honshu, Japan (Lamellibranchiata and Gastropoda). <em>Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy.</em> 2(3): 177-278, pls. 23-39. page(s): p. 249-250, pl. 36(14), fig. 11. [details] Available for editors 
additional source
Ikeya, N.; Hirano, H.; Ogasawara, K. (2001). The database of Japanese fossil type specimens described during the 20th Century (Part 1). <em>Palaeontological Society of Japan, Special Papers.</em> 39: 1-500., available online at http://www.palaeo-soc-japan.jp/download/SP/SP39.pdf page(s): p. 393, 394. [details] 
new combination reference
Kase, T. (1984). Early Cretaceous Marine and Brackish-water Gastropoda from Japan. <em>Tokyo, National Science Museum.</em> 1-263. page(s): p. 121-122, pl. 19, figs 4-8. [details] Available for editors 
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