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

Cellana
BPBM 250792
Ditlev Due Thaanum
Nihoa

Helcioniscus exaratus
BPBM 198952
Ted T. Dranga, Ditlev Due Thaanum & Lorrin Andrews Thurston; Lorrin Andrews Thurston, 1923
Nihoa

Cellana exarata
BPBM 200445
Lorrin A. Thurston, Ted T. Dranga & Alex Anderson; Lorrin Andrews Thurston, 1927
Nihoa

Cellana exarata
BPBM 226400
Thaanum; Thaanum
Nihoa

Cellana exarata
BPBM 226402
Thaanum; Thaanum, 1923
Nihoa

Cellana exarata
BPBM 226404
Tanager Expedition; Thaanum
Nihoa

Cellana melanostoma
BPBM 250854
Nihoa

Helcioniscas melanostoma
BPBM 64815
W.A. & E.L. Bryan, 1916
Nihoa

Cellana exarata
BPBM 65748
D. Thaanum, 1923
Nihoa

Cellana exarata
BPBM 65749
D. Thaanum, 1923
Nihoa

Cellana exarata
BPBM 65802
D. Thaanum, 1923
Nihoa

Cellana exarata
BPBM 65803
D. Thaanum, 1923
Nihoa
