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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.

Rissoina gracilis
BPBM 196155
William Alanson Bryan, 1915
Molokaʻi

Rissoina gracilis
BPBM 196172
William Alanson Bryan
Oʻahu

Rissoina gracilis
BPBM 63875
W.A. & E.L. Bryan, 1915
Molokaʻi

Rissoina gracilis
BPBM 63876
W.A. & E.L. Bryan
Molokaʻi

Rissoina gracilis
BPBM 65132
W.A. & E.L. Bryan, 1918
Oʻahu

Rissoina gracilis
BPBM 65712
D. Thaanum
Hawaiʻi Island

Rissoina gracilis
BPBM 63462
W.A. & E.L. Bryan
Oʻahu

Rissoina gracilis
BPBM 63467
W.A. & E.L. Bryan
Oʻahu

Rissoina gracilis
BPBM 63877
W.A. & E.L. Bryan
Oʻahu
