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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
HolotypeMactra tholoensis
BPBM 208159
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji
ParatypeMactra tholoensis
BPBM 208160
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji
ParatypeMactra tholoensis
BPBM 208161
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji
HolotypeMactra nasongoensis
BPBM 208225
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji
ParatypeMactra nasongoensis
BPBM 208226
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji

Mactra
BPBM 201416
Lorrin Andrews Thurston, Ted T. Dranga, W.G. Anderson & A.B.A.; Lorrin Andrews Thurston, 1927
Hawaiʻi Island

Mactra thaanumi
BPBM 201417
Lorrin Andrews Thurston, Ted T. Dranga, W.G. Anderson & A.B.A.; Lorrin Andrews Thurston, 1927
Hawaiʻi Island

Lutraria
BPBM 208189
Ladd, Harry S.; Ladd, Harry S., 1926
Viti Levu, Fiji

Mactra thaanumi
BPBM 218960
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218961
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218962
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218963
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218964
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218965
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218966
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 218967
Pele Expedition; Mary Eleanor King, 1962
Oʻahu

Mactra thaanumi
BPBM 222449
Pele Expedition 1963; Mary Eleanor King, 1963
Oʻahu

Mactra thaanumi
BPBM 222458
Pele Expedition 1963; Mary Eleanor King, 1963
Oʻahu

Mactra sulcataria
BPBM 252230
Enewetak Mid-Pacific Marine Lab, 1975
Enewetok Atoll, Marshall Islands

Mactra sulcataria
BPBM 252231
Janet Lamberson; Enewetak Mid-Pacific Marine Lab, 1977
Enewetok Atoll, Marshall Islands

Mactra thaanumi
BPBM 259622
Pele Expedition 1959; M. E. King, 1959
Oʻahu

Moctra
BPBM 60545
Bryan, 1913
Oʻahu

Moctra
BPBM 60546
Bryan; Capt. Brown, 1915
Lisianski

Mactra
BPBM 66536
D. Thaanum, 1923
Johnston Atoll
