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Portrait of Ditlev Due Thaanum

Collectors

Ditlev Due Thaanum

French historian · 1895–1986

26,927 specimens, collected between 1820 and 1974 on 307 collecting days, now held in 6 departments.

On the labels as Thaanum, Ditlev Due Thaanum, D. Thaanum, Thaanum, Ditlev, Ditlev Thaanum, Ditlev D. Thaanum, D. D. Thaanum, Thaanum, D. and 4 more.

See the specimensWikipedia ↗Wikidata ↗Bionomia ↗
Specimens
26,927
Type specimens
232
Years in the field
155
Islands
153
Species
6,984
Identifications
0
In the Library
0
Named after
38

Where Thaanum collected

Specimens by decade

1820s1970s

Earliest: Merelina hewa, 1820 (Hawaiʻi Island). Latest: Pacificella variabilis, 1974.

Named for Thaanum

Taxa in the collection whose epithet is formed from the name Thaanum. The naming author’s intent is not recorded, so where several collectors share a surname they are listed under the best-known one.

From the field

Conus regiusCypraea arabicaZebina tridentataPterygia nuceaScabricola newcombiiChrysostoma paradoxumNodilittorina pictaLepsiella scobina rutilaHipponix antiquatusCypraea pulicariaClavus nodulosaMollusca