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

Ostreidea
BPBM 271620
Myrtle Thaanum {Ditlev Due Thaanum'S Wife}
Tutuila, American Samoa

Ostreidea
BPBM 271621
Daniel B. Langford; Myrtle Thaanum {Ditlev Due Thaanum'S Wife}, 1950
Likiep Atoll, Marshall Islands

Ostreidea
BPBM 271624
Dr. John Trensch; Myrtle Thaanum {Ditlev Due Thaanum'S Wife}, 1917
Tabuaeran, Kiribati
