Dorsal view of Philine punctata. Length 4mm. On 10cm long stone covered with encrusting organisms on rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011. Species Philine punctata Photographer / copyright holder I.F. Smith
Philine punctata. Length 4mm. m: mantle covering shell. a: abrasion through mantle exposing shell. c: cephalic shield. p: parapodial lobe. On 10cm long stone encrusted with organisms. LWS, Menai Strait, Wales. April 2011. Species Philine punctata Photographer / copyright holder I.F. Smith
Berthella plumula. Length 28mm. m: underside of mantle. r: rhinophore. v: oral veil. c: cleft in foot. o: genital opening. g: single corrugated gill attached for two thirds of its length to the right side of body. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Length 28mm. Sole smooth, paler than dorsal surface of mantle. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Length of animal 28mm. Oral veil expanded laterally into wide flat bilaminate oral tentacles slit open at the sides. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Internal shell; height (longest dimension) 1.5mm, from juvenile animal 2mm long. Spire, apart from final whorl, about a third of shell height, and aperture less than height, at this early growth stage. LWS. Menai Strait, April 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula.Length 28mm. Mantle conceals most of foot. Reticulation on mantle resembles lobules of Oscarella (encrusting sponge); not as distinct as on translucent white specimens. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Length 28mm. g : gill protruding from below mantle. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Length 28mm. Mantle, lacking tubercles, covers whole body except protruding rhinophores, large oral veil and small portions of foot. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
Berthella plumula. Internal shell; height (longest dimension) 5.5mm, from animal 13mm long. Large final whorl; rest of spire relatively very small. Yellowish shell mostly covered by white layer. LWS. Menai Strait, Wales. March 2011. Species Berthella plumula Photographer / copyright holder I.F. Smith
