08 Patella pellucida. Juveniles, Growth Stage 3 (GS3). Littoral. Length 6.7mm, Llŷn, N. Wales, April 1969. Length 3.2mm. Aberdeen, Scotland, 1971.

1: exterior of shell from above.
2: interior of shell.
3: profile view; aperture rim flat and even.
4: apex cut away from anterior of shell.
Larger specimen: breadth 64% of length. Height 24% of length.
Smaller specimen: breadth 77% of length. Height 31% of length.
Mean proportions in Graham & Fretter (1947) B/L 69%, H/L 27%.

Concise
Part 1, SHELL FORMS: 02 Patella pellucida. Growth Stage 2 (GS2). July 2012. Littoral. North Yorkshire, England. © P. Lightfoot.
Part 2, BODY & ANATOMY: 03 Patella pellucida. Growth Stage 3 (GS3). 2009. Sublittoral, Farne Islands, Northumberland, England. © P.Lightfoot.
Part, 3 HABITS & ECOLOGY: 04 Patella pellucida. Length 4.6mm. Growth Stage 3 (GS3). September 2016. Yorkshire, England. © P.Lightfoot.

Imprint

Photographic guide to the identification and biology of European marine invertebrates

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