Allochthonius ishikawai Morikawa, 1954

Allochthonius ishikawai deciclavatus Morikawa, 1956

Allochthonius ishikawai subsp. ishikawai Morikawa, 1954

Allochthonius ishikawai kyushuensis Morikawa, 1960

Allochthonius ishikawai shiragatakiensis Morikawa, 1954

Allochthonius ishikawai uenoi Morikawa, 1956