Onoba kergueleni

Onoba kergueleni is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]

Onoba kergueleni
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Onoba
Species:	O. kergueleni
Binomial name
Onoba kergueleni (Smith, 1875)
Synonyms[1]
Onoba (Ovirissoa) kergueleni (E. A. Smith, 1875) Ovirissoa adarensis (E.A. Smith, 1902) Rissoa adarensis E.A. Smith, 1902 Rissoa columna Pelseneer, 1903 (uncertain synonym; shell of holotype destroyed by acidic alcohol) Rissoa kergueleni E. A. Smith, 1875 (original combination) Rissoa observationis Thiele, 1912

Description

The maximum recorded shell length is 3.11 mm.[2]

Habitat

Minimum recorded depth is 27 m.[2] Maximum recorded depth is 480 m.[2]

References

1. Onoba kergueleni (Smith, 1875). WoRMS (2009). Onoba kergueleni (Smith, 1875). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=197328 on 5 September 2012 .
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.

• Ponder, W. 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. British Antarctic Survey, Scientific Reports 108: 1-96
• Ponder, W. F. (1985). A review of the Genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea). Records of the Australian Museum supplement 4: 1-221

External links