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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 13

Trochus maculatus
BPBM 227227
Langford & Thaanum; Thaanum, 1947
Weno, Federated States of Micronesia

Trochus maculatus
BPBM 227229
Langford & Thaanum; Thaanum, 1947
Kosrae Island, Federated States of Micronesia

Trochus maculatus
BPBM 227231
D. B. Langford; Thaanum, 1948
Ailinglaplap Atoll, Marshall Islands

Trochus maculatus
BPBM 227232
D. B. Langford; Thaanum, 1950
Likiep Atoll, Marshall Islands

Trochus maculatus
BPBM 227233
D. B. Langford; Thaanum, 1951
Lukunor, Federated States of Micronesia

Trochus maculatus
BPBM 227234
D. B. Langford; Thaanum, 1951
Satowan, Federated States of Micronesia

Trochus maculatus gibberulus
BPBM 227237
Langford & Thaanum; Thaanum, 1947
Kosrae Island, Federated States of Micronesia

Trochus maculatus vernus
BPBM 227241
Langford & Thaanum; Thaanum, 1947
Rota, Northern Mariana Islands

Trochus maculatus vernus
BPBM 227244
D. B. Langford; Thaanum, 1951
Majuro Atoll, Marshall Islands

Trochus niloticus
BPBM 227260
Langford & Thaanum; Thaanum, 1947
Pohnpei Island, Federated States of Micronesia

Trochus niloticus
BPBM 227261
Langford & Thaanum; Thaanum, 1947
Rota, Northern Mariana Islands

Trochus niloticus
BPBM 227263
D. B. Langford; Thaanum, 1948
Saipan, Northern Mariana Islands

Trochus obeliscus
BPBM 227275
Langford & Thaanum; Thaanum, 1947
Rota, Northern Mariana Islands

Trochus obeliscus
BPBM 227276
Langford & Thaanum; Thaanum, 1947
Guam

Trochus obeliscus
BPBM 227277
Langford & Thaanum; Thaanum, 1947
Saipan, Northern Mariana Islands

Trochus squarrosus
BPBM 227292
Langford & Thaanum; Thaanum, 1947
Pohnpei Island, Federated States of Micronesia

Trochus stigmatarius
BPBM 227297
D. B. Langford; Thaanum, 1940
Canton Island, Kiribati

Trochus
BPBM 227471
D. B. Langford; Thaanum, 1940
Midway Atoll

Gena lutea
BPBM 227484
D. B. Langford; Thaanum, 1950
Yap, Federated States of Micronesia

Gena lutea
BPBM 227485
D. B. Langford; Thaanum, 1950
Lamotrek, Federated States of Micronesia

Stomatella
BPBM 227522
D. B. Langford; Thaanum, 1950
Yap, Federated States of Micronesia

Astraea dichenopla
BPBM 227578
D. B. Langford; Thaanum, 1940
Canton Island, Kiribati

Astraea petrosum
BPBM 227620
D. B. Langford; Thaanum, 1946
Guam

Astraea petrosum
BPBM 227621
Langford & Thaanum; Thaanum, 1947
Rota, Northern Mariana Islands
