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Pickenia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Cingulopsidae
Genus:	Pickenia
Species:	P. signyensis
Binomial name
Pickenia signyensis (Ponder, 1983)

Pickenia is a monotypic genus of minute sea snails, a marine gastropod mollusk in the family Cingulopsidae. The only known species is Pickenia signyensis, found on Signy Island in the South Orkney Islands.

Description

The maximum recorded shell length is 1.48 mm. The shell is a pale orange-brown colour, with a yellow-brown aperture. The protoconch is usually dark purple-brown.

The holotype is held by Amgueddfa Cymru – Museum Wales.

Distribution

The species has only been found on Signy Island in the South Orkney Islands. The holotype was collected by G. Picken in 1977.

Habitat

The species' holotypes and paratypes were collected from rocky bottom on algae off the coast of Signy Island. The minimum recorded depth is 4 m. Maximum recorded depth is 10 m.

References

1. Pickenia signyensis Ponder, 1983. WoRMS (2009). Pickenia signyensis Ponder, 1983. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=197370 on 5 June 2010 .
2. ^ Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLOS One 5(1): e8776. doi:10.1371/journal.pone.0008776.
3. ^ Ponder, Winston F (1983). Rissoaform Gastropods from the Antarctic and Sub-Antarctic: The Eatoniellidae, Rissoidae, Barleeidae, Cingulopsidae, Orbitestellidae, and Rissoellidae (Mollusca, Gastropoda) of Signy Island, South Orkney Islands, with a Review of the Antarctic and Sub-Antarctic (excluding Southern South America and the New Zealand Sub-Antarctic Islands) Species. Vol. 108. British Antarctic Survey. ISBN 0-85665-100-1.
4. Poppe, Guido T.; Poppe, Philippe. "Pickenia signyensis". Conchology, Inc. Retrieved 22 November 2022.

• v
• t
• e

• Cingulopsidae
• Gastropods described in 1983
• Molluscs of the Southern Ocean
• Monotypic gastropod genera
• Signy Island
• Taxa named by Winston Ponder
• Hypsogastropoda stubs