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

Cypraea moneta
BPBM 232879
Dr. John Treusch; Thaanum
Tabuaeran, Kiribati

Pinctada radiata
BPBM 260716
Dr. John Treusch; D. Thaanum, 1917
Tabuaeran, Kiribati

Isognomon perna
BPBM 260847
Dr. John Treusch; D. Thaanum, 1917
Tabuaeran, Kiribati

Chlamys coruscans hawaiensis
BPBM 271730
Dr. John Treusch; Myrtle Thaanum {Ditlev Due Thaanum'S Wife}, 1917
Tabuaeran, Kiribati
