1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
5 specimens
Rissoella longispira
BPBM 9772
Kay; KayOʻahu
BPBM 9773
Rissoella bifasciata
BPBM 254989
Ditlev Due ThaanumCalifornia
Rissoella caribaea
BPBM 254990
A. Koto; Ditlev Due ThaanumFlorida
Rissoella
BPBM 288598
2019