Specimen, shell
Other name(s):
Steromphala umbilicalis
Gibbula umbilicalis
umbilical trochid
purple topsnail
flat topsnail
flat top shell
Collection ID:
Z555.1.21
Collection:
Zoology
Class: Gastropoda. 2 specimens. Various shades of grey which form a speckled tessellating pattern. Conical but with convex sides (cyrtoconoid). Found on rocky shores around seaweed and in rock pools.
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.156) |
