Pseudohelenoconcha spurca

[Deleted]

Pseudohelenoconcha spurca

family: Helicinidae

This is an extinct landsnail from Saint Helena.

(It seems this species was not mentioned here in the forum before, right ?.)

It has many synonyms:

Pseudocampylaea dianae, Pseudocampylaea laetissima, Pseudocampylaea persoluta, Pseudocampylaea spurca, Ptychodon dianae, Ptychodon laetissima, Ptychodon persoluta, Ptychodon spurca

see also here:

www.iucnredlist.org/search/details.php/29614/summ

[another specialist]

Doesn't seem to of been mentioned Noisi.

[another specialist]

Kingdom ANIMALIA
Phylum MOLLUSCA
Class GASTROPODA
Order STYLOMMATOPHORA
Family ENDODONTIDAE
Species Authority (Sowerby, 1844)
Synonym/s
Pseudocampylaea dianae (Pfeiffer, 1856)
Pseudocampylaea laetissima (Smith, 1892)
Pseudocampylaea persoluta (Smith, 1892)
Pseudocampylaea spurca (Sowerby, 1844)

Taxonomic Notes

In the 1996 Red List this was mistakenly entered as Pseudocampylaea spurca, instead of Pseudohelenoconcha spurca. P. dianae, P. laetissima and P. persoluta were also entered incorrectly, plus these should have been placed into synonymy under Pseudohelenoconcha spurca.

Red List Category & Criteria EX ver 2.3 (1994)
Year Assessed 1996
Assessor/s Mollusc Specialist Group
History
1994 - Extinct as Ptychodon dianae (Groombridge 1994)
1994 - Extinct as Ptychodon laetissima (Groombridge 1994)
1994 - Extinct as Ptychodon persoluta (Groombridge 1994)
1994 - Extinct as Ptychodon spurca (Groombridge 1994)
1996 - Extinct as Pseudocampylaea laetissima (Baillie and Groombridge 1996)
1996 - Extinct as Pseudocampylaea persoluta (Baillie and Groombridge 1996)
1996 - Extinct as Pseudocampylaea dianae (Baillie and Groombridge 1996)
1996 - Extinct (Baillie and Groombridge 1996)

www.iucnredlist.org/search/details.php/29614/all

[koeiyabe]

Last seen in Saint Helena Island in 1836.
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