13 Geitodoris planata

13 Geitodoris planata

Fully extended rhinophores have a stout, smooth, translucent basal half, speckled or blotched with purplish brown. The upper half has about twelve or thirteen yellowish lamellae with brown markings.
Menai Strait, February 2013, and Dorset, England, September 2011, © M.W. Storey.