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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Radula retroflexa
BISH 800240
Yamaguchi, T.; Isozaki, H., 2024
Iriomote Island, Japan
Radula japonica
BISH 712901 · Higuchi, M., 2000
Honshu, Japan
Radula retroflexa
BISH 774552 · Yamaguchi, T., 2017
Iriomote Island, Japan
Radula kojana
BISH 782037 · Inoue, Y., 2021
Honshu, Japan
Radula javanica
BISH 785091 · Yamaguchi, T., 2020
Okinawa, Japan
Radula constricta
BISH 789879 · Higuchi, M., 2002
Shikoku, Japan