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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
257 specimens · page 8

Hydatina amplustre
BPBM 258471
Thaanum; Thaanum, Ditlev, 1923
Oʻahu

Hydatina amplustre
BPBM 258472
Thaanum; Thaanum, Ditlev, 1925
Oʻahu

Hydatina amplustre
BPBM 258473
Thaanum; Thaanum, Ditlev, 1925
Oʻahu

Hydatina amplustre
BPBM 258474
Thaanum; Thaanum, Ditlev, 1925
Oʻahu

Hydatina amplustre
BPBM 258475
Thaanum; Thaanum, Ditlev, 1925
Oʻahu

Hydatina physis
BPBM 258481
Thaanum; Thaanum, Ditlev, 1924
Oʻahu

Hydatina physis
BPBM 258482
Thaanum; Thaanum, Ditlev, 1925
Oʻahu

Hydatina physis
BPBM 258483
Thaanum, Ditlev
Oʻahu

Hydatina physis
BPBM 258484
Thaanum; Thaanum, Ditlev, 1926
Oʻahu

Hydatina physis
BPBM 258486
Thaanum; Thaanum, Ditlev, 1931
Oʻahu

Hydatina physis
BPBM 258488
Thaanum; Thaanum, Ditlev, 1938
Oʻahu

Micromelo guamensis
BPBM 258492
Thaanum; Thaanum, Ditlev, 1924
Oʻahu

Micromelo guamensis
BPBM 258494
Thaanum; Thaanum, Ditlev, 1939
Oʻahu

Bullina lineata
BPBM 258729
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1928
Ryukyu Islands

Bullina lineata
BPBM 258730
Thaanum, Ditlev
Ryukyu Islands

Bullina lineata
BPBM 258731
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1928
Ryukyu Islands

Bullina lineata
BPBM 258732
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1932
Ryukyu Islands

Bullina lineata
BPBM 258733
D.B. Langford; Thaanum, Ditlev, 1929
Japan

Bullina lineata
BPBM 258734
D.B. Langford; Thaanum, Ditlev, 1949
Ogasawara Gunto {Entered as: Bonin Islands}

Hydatina physis
BPBM 258736
D.B. Langford & D. Thaanum; Thaanum, Ditlev, 1925
Japan

Hydatina physis
BPBM 258737
D.B. Langford; Thaanum, Ditlev, 1927
Ryukyu Islands

Hydatina physis
BPBM 258738
Mrs. Mayeda; Thaanum, Ditlev, 1927
Japan

Hydatina physis
BPBM 258739
Alfred S. Koto; Thaanum, Ditlev, 1939
Florida

Hydatina physis
BPBM 258740
Thaanum, Ditlev
Japan
