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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Cerithium rostratum
BPBM 258304
Dranga + Thaanum; Thaanum Ditlev, 1940
Beqa, Fiji
Engina mendicaria
BPBM 258311
Th.; Thaanum Ditlev, 1922
Palmyra Atoll
Engina mendicaria
BPBM 258320
Th.; Thaanum Ditlev, 1940
Tutuila, American Samoa
Cerithium rostratum
BPBM 258303
DBL + Th; Thaanum Ditlev, 1925
Ryukyu Islands
Metaxia diadema
BPBM 258306
John Q. Burch; Thaanum Ditlev, 1941
California
Engina mendicaria
BPBM 258312
DBL + Th; Thaanum Ditlev, 1925
Ryukyu Islands
Engina mendicaria
BPBM 258313
Thaanum Ditlev, 1925
Ryukyu Islands
Engina mendicaria
BPBM 258315
Wray Harris; Thaanum Ditlev, 1928
Ryukyu Islands
Engina mendicaria
BPBM 258316
DBL + Th; Thaanum Ditlev, 1928
Ryukyu Islands
Engina mendicaria
BPBM 258317
DBL + Th; Thaanum Ditlev, 1932
Ryukyu Islands
Engina mendicaria
BPBM 258318
DBL + Th; Thaanum Ditlev, 1932
Ryukyu Islands
Engina mendicaria
BPBM 258319
DBL + Th; Thaanum Ditlev, 1932
Ryukyu Islands
Engina mendicaria
BPBM 258321
Th.; Thaanum Ditlev, 1945
Ryukyu Islands