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47 Patella depressa album. Image of pallial tentacles on P. vulgata for comparison. Menai Strait, Wales. June, 2013.

Pigment-less translucency and fineness of pallial tentacles often make discernment difficult (1), especially when mantle skirt retracted from shell-rim and pallial tentacles viewed against shell; translucent tentacle then takes on colour of shell behind it (2).

Foot colour varies greatly on P. vulgata, sometimes, like this one, as dark as on some P. depressa.

 

SPECIES DESCRIPTION part A 1Pd flic.kr/p/BaSA3C

SPECIES DESCRIPTION part B 2Pd flic.kr/p/AfbFkR

Key id. features 3Pd flic.kr/p/Ay7bhf

OTHER SPECIES ALBUMS

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Uploaded on November 19, 2015
Taken on July 6, 2013