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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
ParatypesPaludinella conica saipanensis
BPBM 212190
W.B. Langford; U.S.N.M. Ex MCZ, 1948
Saipan, Northern Mariana Islands
ParatypeOmphalotropis cookei
BPBM 212195
W.H. Lange; U.S.N.M. Ex MCZ, 1948
Saipan, Northern Mariana Islands

Omphalotropis guamensis
BPBM 188968
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis quadrasi
BPBM 188969
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis
BPBM 188970
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis guamensis
BPBM 188976
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis picta
BPBM 188979
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis conica
BPBM 188980
Daniel B. Langford; Ditlev Thaanum
Guam

Quadrasiella clathrata
BPBM 188981
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis picta
BPBM 188985
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis picta
BPBM 188986
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis conica
BPBM 188987
Daniel B. Langford; Ditlev Thaanum
Guam

Quadrasiella clathrata
BPBM 188988
Daniel B. Langford; Ditlev Thaanum
Guam

Omphalotropis erosa
BPBM 211385
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands

Omphalotropis erosa
BPBM 211388
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands

Omphalotropis
BPBM 211389
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands

Omphalotropis erosa
BPBM 211392
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands

Omphalotropis erosa
BPBM 211398
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands

Omphalotropis
BPBM 211399
W. Harry Lange; W. Harry Lange, 1948
Saipan, Northern Mariana Islands
Omphalotropis fragilis
BPBM 276914 · Daniel B. Langford; Ditlev Due Thaanum, 1951
Majuro Atoll, Marshall Islands
Omphalotropis fragilis
BPBM 276915 · Daniel B. Langford; Ditlev Due Thaanum, 1949
Majuro Atoll, Marshall Islands
Omphalotropis fragilis
BPBM 276925 · Daniel B. Langford; Ditlev Due Thaanum, 1949
Ailinglaplap Atoll, Marshall Islands
Omphalotropis fragilis
BPBM 276928 · Daniel B. Langford; Ditlev Due Thaanum, 1949
Ailinglaplap Atoll, Marshall Islands
Omphalotropis fragilis
BPBM 276938 · Daniel B. Langford; Ditlev Due Thaanum
