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

Cerithium couthouyi
BPBM 197956
Lorrin Andrews Thurston & Ted T. Dranga; Lorrin Andrews Thurston, 1925
Ofu, American Samoa

Cerithium couthouyi
BPBM 199544
Lorrin Andrews Thurston & Ted T. Dranga; Lorrin Andrews Thurston, 1925
Ofu, American Samoa

Cerithium couthouyi
BPBM 199545
Lorrin Andrews Thurston & Ted T. Dranga; Lorrin Andrews Thurston, 1925
Tutuila, American Samoa

Cerithium couthouyi
BPBM 202120
Katherine Luomala; Katherine Luomala, 1949
Tabiteuea, Kiribati
