Gudeoconcha sophiae conica (Brazier, 1889:26)



Taxonomy & Nomenclature

Synonym/s: Nanina sophiae conica Brazier, 1889:26 (protonym)


Conservation Status

Extinct (Hyman & Ponder, 2016:98)

Last record: 1912 (Hyman & Ponder, 2016:98)



Blackburn Island (off Lord Howe Island), New South Wales, Australia


Biology & Ecology










Original scientific description:

Brazier, J. (1889). Mollusca. In: Etheridge, R. The general zoology of Lord Howe Island. In: Ramsay, P. (Ed), Lord Howe Island: Its Zoology, Geology and Physical Characters. Australian Museum Memoirs 2: 22-30.


Other references:

Hyman, Isabel T. and Ponder, Winston F. (2016). Helicarionidae (Gastropoda: Heterobranchia: Stylommatophora) of Lord Howe Island. Molluscan Research 36(2): 84-107.

Iredale, Tom. (1944). The land Mollusca of Lord Howe Island. Australian Zoologist 10(3): 299-334.


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