Folinella excavata explained

Folinella excavata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.^{[1] [2]}

Description

The white shell is solid, opaque and rather glossy. Its length measures 3.75 mm. The teleoconch contains six whorls. The suture is broad and very deep. The shell shows prominent spiral ridges, of which there are three on the main part of the body whorl, and two slighter ones at the base, and two ridges on the spire whorls. They are crossed obliquely by sharp longitudinal ribs, extending to the base. Their intersections with the spiral sculpture appear nodulous. The columellar tooth is small and remote. The umbilicus is narrow but distinct.^[3]

Distribution

This marine species occurs in the following locations:

• European waters (ERMS scope)
• Greek Exclusive Economic Zone
• Irish Exclusive economic Zone
• Portuguese Exclusive Economic Zone
• South West Coast of Apulia
• Spanish Exclusive Economic Zone
• United Kingdom Exclusive Economic Zone

References

• Terlizzi, A.; Scuderi, D.; Fraschetti, S.; Anderson, M.J. (2005). "Quantifying effects of pollution on biodiversity: a case study of highly diverse molluscan assemblages in the Mediterranean". Mar. Biol. 148(2): 293-305

External links

• Biodiversity Heritage Library (1 publication)
• CLEMAM
• Encyclopedia of Life
• World Register of Marine Species

Notes and References

1. Gofas, S. (2015). Folinella excavata (Phillippi, 1836). Accessed through World Register of Marine Species on 6 April 2015
2. Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213
   - van der Linden J. & Eikenboom J.C.A. (1992) "On the taxonomy of the Recent species of the genus Chrysallida Carpenter from Europe, the Canary Islands and the Azores". Basteria 56: 3-63. [15 June 1992]
   - Peñas A. & Rolán E. (1998). La familia Pyramidellidae Gray, 1840 (Mollusca, Gastropoda) en África Occidental. 3. El género Chrysallida s.l. Iberus, suppl. 4 : 1-73.
3. https://archive.org/stream/manualconch08tryorich#page/n5/mode/2up Manual of Conchology vol. VIII