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

Arca candida
BPBM 204033
Ditlev Due Thaanum; Ditlev Due Thaanum, 1923
Palmyra Atoll

Arca ventricosa
BPBM 259805
D. Thaanum; Thaanum, Ditlev, 1922
Palmyra Atoll

Barbatia decussata
BPBM 259869
Thaanum, Ditlev
Palmyra Atoll

Barbatia tenella
BPBM 259914
Thaanum, Ditlev; Thaanum, Ditlev, 1922
Palmyra Atoll

Arca
BPBM 66732
T.T. Dranga, 1924
Palmyra Atoll

Arca
BPBM 67446
L.A. Thurston & T.T. Dranga; L.A. Thurston, 1922
Palmyra Atoll

Arca
BPBM 67447
L.A. Thurston & T.T. Dranga; L.A. Thurston, 1922
Palmyra Atoll
