1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
4 specimens
Ostrea
BPBM 203970
Daniel B. Langford; Ditlev Due ThaanumKoror, Palau
Saccostrea glomerata
BPBM 260975
D. Thaanum, 1947Koror, Palau
Saccostrea echinata
BPBM 260976
Lopha cristagalli
BPBM 271640
Daniel B. Langford; Myrtle Thaanum {Ditlev Due Thaanum'S Wife}, 1948Koror, Palau