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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
ParatypeLamellaria koto
BPBM 8971
A.S. Koto; J.S. Schwengel, 1944
Florida

Lamellaria
BPBM 64831
W.A. & E.L. Bryan, 1915
Oʻahu

Velutina velutina
BPBM 231529
Thaanum
England

Velutina
BPBM 231530
Thaanum
Alaska

Velutina velutina
BPBM 231531
Thaanum
Maine

Velutina velutina
BPBM 231532
Langford & Thaanum; Thaanum, 1925
Japan

Limneria prolongata
BPBM 231533
Thaanum
Alaska

Mollusca
BPBM 231534
Thaanum
Alaska

Limneria prolongata
BPBM 231535
Thaanum
Alaska

Lamellaria koto
BPBM 233756
Thaanum
Florida

Lamellaria ophione
BPBM 233757
Thaanum
New Zealand

Lamellaria pellucida
BPBM 233758
T. T. Dranga; Thaanum, 1937
Florida

Lamellaria perspicua
BPBM 233759
Thaanum
Natal

Lamellaria perspicua
BPBM 233760
Thaanum
Ireland

Lamellaria bergihi
BPBM 233761
Thaanum
Mauritius

Lamellaria
BPBM 233762
D. B. Langford; Thaanum, 1927
Japan

Lamellaria
BPBM 233763
D. B. Langford; Thaanum, 1930
Japan

Limneria prolongata
BPBM 255030
George Willett; Ditlev Due Thaanum
Alaska

Velutina velutina
BPBM 255031
Ditlev Due Thaanum
Canada

Velutina velutina
BPBM 255032
Ditlev Due Thaanum
Norway

Velutina velutina
BPBM 255033
Daniel B. Langford & Ditlev Due Thaanum; Ditlev Due Thaanum, 1925
Japan

Velutina velutina
BPBM 255034
Ditlev Due Thaanum
Japan

Lamellaria tongana
BPBM 3249
A. Garrett; Garrett
French Polynesia

Lamellaria sandwichensis
BPBM 64832
W.A. & E.L. Bryan
Oʻahu
