Figured: S M Smith
Height: 5 mm
NO NBN MAP

This ribless end-form of the cline from Rissoa lilacina s.s. through Rissoa rufilabrum (not accepted by WoRMS as a subspecies) is widespread but sparse, less common than ribbed forms. Littoral and shallow sublittoral, living on algae.
Collections: NMSZ, NMW

Copyright © Shelagh Smith & Julia Nunn