Order Cephalaspidea 225 species

Bulloidea spp.

Bulla ampulla

Linnaeus, 1758

Bulla orientalis

Habe, 1950

Bulla sp. 1

Bulla vernicosa

A. A. Gould, 1859

Pyrunculus phialus

(A. Adams, 1862)

Pyrunculus tokyoensis

Habe, 1950

Retusa concentrica

(A. Adams, 1850)

Retusa spp.

Retusa succincta

(A. Adams, 1862)

Acteocina decorata

(Pilsbry, 1904)

Acteocina exilis

(Dunker, 1860)

Acteocina fusiformis

(A. Adams, 1850)

Acteocina gordonis

(Yokoyama, 1927)

Acteocina sp.

Acteocina sp. 2

Haminoeidae sp. 3

Haminoeidae sp. 4

Haminoeidae sp. 6

Haminoeidae sp. 7

Haminoeidae sp. 8

Haminoeidae sp. 9

Haminoeidae sp.12

Haminoeidae sp.14

Haminoeidae sp. 2

Haminoeidae sp. 5

Haminoeidae sp.10

Haminoeidae sp.13

Aliculastrum cylindricum

(Helbling, 1779)

Aliculastrum debile

(Pease, 1860)