Morddyn:
01 Littorina saxatilis [R] (Olivi, 1792) sensu stricto, nigrolineate form. Ribadeo, Galicia, N.W. Spain. May 2014. Leg. & © Dr Alexandra Richter.
Morddyn:
02 Littorina saxatilis s.s. A12. Shell height 11.5 mm. Mature female. N. Yorkshire, September 2014.
Morddyn:
03 Littorina saxatilis s.s. B90. Shell height 6 mm. Mature male removed from shell. Inland Sea, Anglesey. March 2014.
Morddyn:
04 Littorina saxatilis sensu stricto. Sheltered/brackish ecotype. Height 6 mm. Mature male. Inland Sea, Anglesey. March 2014.