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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
6,686 specimens · page 14

Astraea petrosum
BPBM 227623
D. B. Langford; Thaanum, 1948
Saipan, Northern Mariana Islands

Astraea petrosum
BPBM 227624
D. B. Langford; Thaanum, 1948
Ulithi, Federated States of Micronesia

Astraea petrosum
BPBM 227625
D. B. Langford; Thaanum, 1950
Nama, Federated States of Micronesia

Astraea petrosum
BPBM 227626
D. B. Langford; Thaanum, 1951
Satowan, Federated States of Micronesia

Turbo argyrostomus
BPBM 227678
D. B. Langford; Thaanum, 1940
Canton Island, Kiribati

Turbo argyrostomus
BPBM 227680
Langford & Thaanum; Thaanum, 1948
Yap, Federated States of Micronesia

Turbo chrysostomus
BPBM 227693
Langford & Thaanum; Thaanum, 1947
Yap, Federated States of Micronesia

Turbo margaritaceus
BPBM 227741
D. B. Langford; Thaanum, 1948
Marshall Islands

Turbo margaritaceus
BPBM 227747
D. B. Langford; Thaanum, 1950
Likiep Atoll, Marshall Islands

Turbo margaritaceus
BPBM 227750
D. B. Langford; Thaanum, 1950
Guam

Turbo margaritaceus
BPBM 227752
D. B. Langford; Thaanum, 1950
Woleai, Federated States of Micronesia

Turbo margaritaceus
BPBM 227753
D. B. Langford; Thaanum, 1951
Satowan, Federated States of Micronesia

Turbo petholatus
BPBM 227781
D. B. Langford; Thaanum, 1949
Nama, Federated States of Micronesia

Turbo setosus
BPBM 227807
D. B. Langford; Thaanum, 1946
Guam

Turbo setosus
BPBM 227808
Langford & Thaanum; Thaanum, 1947
Rota, Northern Mariana Islands

Turbo setosus
BPBM 227810
Langford & Thaanum; Thaanum, 1947
Kosrae Island, Federated States of Micronesia

Turbo setosus
BPBM 227812
D. B. Langford; Thaanum, 1951
Majuro Atoll, Marshall Islands

Leptothyra candida
BPBM 227835
D. B. Langford; Thaanum, 1940
Midway Atoll

Leptothyra rubricincta
BPBM 227856
Langford & Thaanum; Thaanum, 1918
Maui

Leptothyra rubricincta
BPBM 227860
Dranga, Langford & Thaanum; Thaanum, 1935
Oʻahu

Leptothyra verruca
BPBM 227894
D. B. Langford; Thaanum, 1940
Midway Atoll

Leptothyra
BPBM 227896
D. B. Langford; Thaanum, 1940
Canton Island, Kiribati

Tricolia variabilis
BPBM 227912
D. B. Langford; Thaanum, 1940
Midway Atoll

Tricolia variabilis
BPBM 227922
D. B. Langford; Thaanum, 1917
Oʻahu
