Onchidoris inconspicua. Spawn on prey, Cellepora pumicosa. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. London, Ray Society. (as Doris inconspicua). Species Knoutsodonta inconspicua (Alder & Hancock, 1851) Photographer / copyright holder I.F. Smith
Onchidoris inconspicua. Rhinophore; anterior and lateral views. Lamellae closely spaced. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. London, Ray Society. (as Doris inconspicua). Species Knoutsodonta inconspicua (Alder & Hancock, 1851) Photographer / copyright holder I.F. Smith
Onchidoris inconspicua. Sole showing liver. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. London, Ray Society. (as Doris inconspicua). Species Knoutsodonta inconspicua (Alder & Hancock, 1851) Photographer / copyright holder I.F. Smith
Onchidoris inconspicua. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. A&H drew their illustration from two specimens which seem to have lacked larger black flakes on mantle. Species Knoutsodonta inconspicua (Alder & Hancock, 1851) Photographer / copyright holder I.F. Smith
Onchidoris inconspicua. Spawn on polyzoan prey. Spiral 7mm diameter. Orkney. May 1975. Species Knoutsodonta inconspicua (Alder & Hancock, 1851) Photographer / copyright holder I.F. Smith
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