11 Peringia ulvae

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Taxonomy

Two diagnostic features found on virtually all P. ulvae in Britain.
1) Black subterminal band on cephalic tentacles.
2) Left tentacle is thicker and shorter than the right tentacle,
and enlarged cilia give the left tentacle a serrated look.
Shell height 5.4 mm. Mouth of Dee Estuary, Cheshire. August 2011.

Imprint

Photographic guide to the identification and biology of European marine invertebrates

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