検索結果（標本）

Umbonium giganteum naganumanum Otuka, 1930   Holotype

Otuka, Y., 1930   p. 25, fig. 1a-c

Cenozoic | Mollusca : Gastropoda : Trochidae

Material Reports, no. 9, p. 75.

Umbonium giganteum naganumanum Otuka, 1930   Paratype

Otuka, Y., 1930   p. 25

Cenozoic | Mollusca : Gastropoda : Trochidae

Material Reports, no. 9, p. 75.

Umbonium giganteum naganumanum Otuka, 1930   Paratype

Otuka, Y., 1930   p. 25

Cenozoic | Mollusca : Gastropoda : Trochidae

Material Reports, no. 9, p. 75.

Umbonium giganteum naganumanum Otuka, 1930   Paratype   Missing

Otuka, Y., 1930   p. 25

Cenozoic | Mollusca : Gastropoda : Trochidae

Material Reports, no. 9, p. 75.