Alvania auberiana explained

Alvania auberiana, common name the West Indian alvania, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Distribution

This marine species occurs off North Carolina, USA, Bermuda, Curaçao and Colombia to Eastern Brazil.

Description

The maximum recorded shell length is 2.1 mm.^[1]

The imperforate shell is thin. It is white, with brownish maculations. It shows numerous, thin, longitudinal and spiral ribs. The shell contains six convex whorls with a sloping shoulder defined by an angle. The outer lip is thickened. ^[2]

Habitat

Minimum recorded depth is 0 m.^[1] Maximum recorded depth is 101 m.^[1]

References

• Jensen, R. H. (1997). A Checklist and Bibliography of the Marine Molluscs of Bermuda. Unp., 547 pp
• Rosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station.

External links

• Conchology.be: image

Notes and References

1. Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
2. https://www.biodiversitylibrary.org/page/11027383#page/370/mode/1up G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9