検索結果（標本）

Calyptrea sp.

Otuka, Y., 1934   p. 625, pl. 48, fig. 62a, b

Cenozoic | Mollusca : Gastropoda : Calyptraeidae

Material Reports, no. 9, p. 80.

Calyptrea sp.   Missing

Otuka, Y., 1936c

Cenozoic | Mollusca : Gastropoda : Calyptraeidae

Material Reports, no. 9, p. 101.

Calyptrea yokoyamai tubura Otuka, 1934   Holotype

Otuka, Y., 1934   p. 625, pl. 49, figs. 78a, 79; pl. 50, fig. 78b

Cenozoic | Mollusca : Gastropoda : Calyptraeidae

Material Reports, no. 9, p. 81.