Onchidoris inconspicua. 8.5mm dia. discoid at rest (resembles O. sparsa, but lamellae of rhinophore too fine & numerous, and no contrasting colour at base of rhinophores). White apex protrudes slightly above lamellae. Orkney. May 1975. conf. B. Picton

Species

Knoutsodonta inconspicua (Alder & Hancock, 1851)

Photographer / copyright holder

I.F. Smith

Onchidoris inconspicua. Length 5mm. White translucent sole showing central purple-black liver. Anterior of foot slightly curved back from mouth. Orkney. March 1975.

Species

Knoutsodonta inconspicua (Alder & Hancock, 1851)

Photographer / copyright holder

I.F. Smith

Onchidoris inconspicua. Length 9mm. Anterior of foot truncated. Yellow translucent sole; purple-black liver. Round-tipped tubercles in profile on upper edge. Large oral veil with large depression leading to mouth. Orkney. March 1975. det. Bernard Picton.

Species

Knoutsodonta inconspicua (Alder & Hancock, 1851)

Photographer / copyright holder

I.F. Smith

Onchidoris inconspicua. Length 6mm. Seen from directly above against dark viscera, pale dorsal tubercles form light halos around their apical spots. Orkney. March 1975. det. Bernard Picton

Species

Knoutsodonta inconspicua (Alder & Hancock, 1851)

Photographer / copyright holder

I.F. Smith

Onchidoris inconspicua. Length 9mm. Long obliquely aligned subdorsal spicules. Dark viscera visible. Abundant tubercles give mantle a rough appearance. Yellow lamellae on rhinophores with a few flecks of brown pigment. Orkney. March 1975. det. B. Picton.

Species

Knoutsodonta inconspicua (Alder & Hancock, 1851)

Photographer / copyright holder

I.F. Smith

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UPDATE:  Sale Results:

Onchidoris bilamellata. Spawn masses, resemble everted, high, white collars. Adult on left. Low water spring tide, Mersey Estuary. Late January 2010.

Species

Onchidoris bilamellata

Photographer / copyright holder

I.F. Smith

Onchidoris bilamellata. Length of animal 40mm. Many large tubercles, and a few small gills, within main gill ellipse. Low water spring tide, Mersey Estuary. Late January 2010.

Species

Onchidoris bilamellata

Photographer / copyright holder

I.F. Smith

Onchidoris bilamellata. Juvenile, length 7mm. Dark brown gills and basal half of rhinophore. Dark brown dorsal panel stops behind rhinophores, leaving a pale area in front. Low water spring tide, Mersey Estuary. September 2010.

Species

Onchidoris bilamellata

Photographer / copyright holder

I.F. Smith

Onchidoris bilamellata. Juvenile, length 5mm. Dorsal panel, gills and basal half of rhinophore all brown. Low water spring tide, Menai Strait, Wales. August 2010.

Species

Onchidoris bilamellata

Photographer / copyright holder

I.F. Smith

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