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

Siphonaria sipho
BPBM 204483
Daniel B. Langford & Ditlev Due Thaanum; Ditlev Due Thaanum, 1947
Weno, Federated States of Micronesia

Siphonaria sipho
BPBM 204486
Daniel B. Langford & Ditlev Due Thaanum; Ditlev Due Thaanum, 1947
Tonowas, Federated States of Micronesia

Siphonaria sipho
BPBM 204488
Daniel B. Langford; Ditlev Due Thaanum
Tonowas, Federated States of Micronesia

Siphonaria sipho
BPBM 259196
Milton J. Flood; Thaanum, Ditlev
Daugo Island, Papua New Guinea

Siphonaria sipho
BPBM 259203
T.T. Dranga & D. Thaanum; Thaanum, Ditlev, 1940
Beqa, Fiji

Siphonaria sipho
BPBM 259204
Dr. Karl S. Alfred; Thaanum, Ditlev, 1945
Ulithi, Federated States of Micronesia

Siphonaria sipho
BPBM 259205
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1947
Weno, Federated States of Micronesia

Siphonaria sipho
BPBM 259207
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1947
Romanum, Federated States of Micronesia

Siphonaria sipho
BPBM 259208
Thaanum, Ditlev
Pohnpei Island, Federated States of Micronesia

Siphonaria sipho
BPBM 259209
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1947
Tonowas, Federated States of Micronesia

Siphonaria sipho
BPBM 259210
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1932
Tinian, Northern Mariana Islands

Siphonaria sipho
BPBM 259211
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1932
Fefan, Federated States of Micronesia

Siphonaria sipho
BPBM 259212
D.B. Langford; Thaanum, Ditlev, 1932
Yap, Federated States of Micronesia
