Coryphella lineata juvenile, 5mm long. Opaque white pigment line on oral tentacle, rhinophore, dorsum, flank and ceras (two lines). LWS, Menai Strait, September 2011. Species Fjordia lineata (Lovén, 1846) Photographer / copyright holder I.F. Smith
Cerata of Cuthona foliata. b : subapical band of freckles. c: translucent white cnidosac region. d: dark brown digestive gland concealed by golden freckles. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Olive green form of Cuthona foliata. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. (as Eolis olivacea). Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Spawn mass of Cuthona foliata. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. (as Eolis olivacea). Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Foot of Cuthona foliata. Length 6mm. Slight rounded swelling at anterior, but no propodial tentacles. White lobules of ovotestis visible through sole. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Cuthona foliata. Length 6mm. Rhinophores densely covered in freckles of white pigment except for an encircling band of dull translucent orange. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Cuthona foliata. Length 6mm. Specimen not recently fed; cerata thinner and digestive gland darker than when fully fed. 5 red pigment marks. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Cuthona foliata. Length 6mm. Well fed specimen with fat cerata. Brown digestive gland in cerata covered with golden freckles. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Trinchesia foliata (Forbes & Goodsir, 1839) Photographer / copyright holder I.F. Smith
Coryphella verrucosa rufibranchialis. L. 8mm. Rhinophore group rising from r : notal ridge. c: internal translucent white cnidosac. b: narrow, fragmentary, opaque white subterminal pigment band. LWS, Menai Strait, Wales, September 2011. Species Coryphella verrucosa Photographer / copyright holder I.F. Smith
Underside of Coryphella verrucosa rufibranchialis. L. 8mm. Small anterior expansion of foot. Mouthparts extend in front of foot. LWS, Menai Strait, Wales, September 2011. Species Coryphella verrucosa Photographer / copyright holder I.F. Smith