Specimen, shell
Other name(s):
Rissoa membranacea
Rissoa membranacia
Thick-lipped spire shell
thick-lipped risso snail
Collection ID:
Z555.1.41
Collection:
Zoology
Class: Gastropoda. 6 specimens. There are a number of different varieties of this species. Robert Rendall's Mollusca Orcadensia talks of the elata variety, so these specimens likely belong there. These specimens are off-white in colour, Conical but rounded at the apex with slightly convex sides. All varieties of this species can be found in association with Eelgrass (the Zostera species of seagrass).
Field collection
| Collector | Robert Rendall |
References
| Reference literature | Rendall, R. 'Mollusca Orcandensia' (1956) Proceedings of the Royal Society of Edinburgh 66, pp.131-201 (p.160) |
