26 Differentiation L. obtusata/L. fabalis

26 Differentiation L. obtusata/L. fabalis

L. fabalis.
Citrina colour form; exterior yellow; interior white . Usually the commonest colour of L. fabalis on shores well sheltered from waves, but not diagnostic as it also occurs on L. obtusata (see 27Dof 27 Differentiation L. obtusata/L. fabalis ) on the same shores.
Menai Strait, North Wales. February 2011.
Full account at: 02 Differentiation L. obtusata/L. fabalis

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