1. Hiatella arctica. Adult. Two worn radial ridges just visible. Periostracum thin, but prominent, as wrinkled, on contracted siphons. Wedge form modified by rounding and undulation; shape reminiscent of Modiolus mussle. Menai, March 2010.
  2. Hiatella arctica. Adult. Two worn radial ridges just visible. Periostracum thin, but prominent, as wrinkled, on contracted siphons. Wedge form modified by rounding and undulation; shape reminiscent of Modiolus mussle. Menai, March 2010.

Hiatella arctica. Adult. Two worn radial ridges just visible. Periostracum thin, but prominent, as wrinkled, on contracted siphons. Wedge form modified by rounding and undulation; shape reminiscent of Modiolus mussle. Menai, March 2010.

Submitted by Ian Smith on
Species
Hiatella arctica
Photographer / copyright holder
I.F. Smith
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