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

Cerithium asper
BPBM 197918
Ted T. Dranga; Lorrin Andrews Thurston, 1926
Tutuila, American Samoa

Cerithium asper
BPBM 197985
Lorrin Andrews Thurston & Ted T. Dranga; Lorrin Andrews Thurston, 1925
Tutuila, American Samoa

Cerithium asper
BPBM 202122
Katherine Luomala; Katherine Luomala, 1949
Tabiteuea, Kiribati

Cerithium asper
BPBM 204382
Ditlev Due Thaanum; Ditlev Due Thaanum, 1923
Palmyra Atoll
