65 Tonicella marmorea COMPARISON Lepidochitona cinerea

65 Tonicella marmorea COMPARISON Lepidochitona cinerea

Lepidochitona cinerea. Menai Strait, Wales. February 2011.
1: dorsal surface of valves has numerous rounded granules visible at X3 magnification, and often to naked eye. Granules tend to follow indistinct growth lines .
2: dorsal surface of girdle has densely packed rounded granules visible at X3 magnification, and often to naked eye.
3: marginal fringe of spicules visible to naked eye.

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