1. Trivia monacha adult shell. The central one of the three dark marks on the dorsum is indistinct on this specimen. 10.2 mm high (longest dimension). LWS, Scapa Flow, Orkney April 1975
  2. Trivia monacha adult shell. The central one of the three dark marks on the dorsum is indistinct on this specimen. 10.2 mm high (longest dimension). LWS, Scapa Flow, Orkney April 1975

Trivia monacha adult shell. The central one of the three dark marks on the dorsum is indistinct on this specimen. 10.2 mm high (longest dimension). LWS, Scapa Flow, Orkney April 1975

Submitted by Ian Smith on
Species
Trivia monacha
Photographer / copyright holder

I.F. Smith

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