Illustrated species account of Armina loveni (Bergh, 1866) (Mollusca, Nudibranchia). Includes photographic evidence to correct previous misconceptions about the anatomy of the cephalic shield. https://flic.kr/p/HjKSV3 1: lateral lamellae. 2: penis. 3:

Illustrated species account of Acanthodoris pilosa (Abildgaard in Müller, 1789) (Mollusca, Nudibranchia). left) https://flic.kr/p/MVByj4 L. 17 mm & fig. 02 (right) https://flic.kr/p/NTLFkr L. 11 mm, North Wales. High dome profile. Mantle covers whole

Revised, illustrated species account of Lacuna pallidula (da Costa, 1778) Identification and Biology, (Mollusca, Littorinimorpha). If previous version downloaded please delete it. https://flic.kr/p/2kNL1A2 Lacuna parva shell is white often with three

Illustrated species account of Atalodoris sparsa (Alder & Hancock, 1846) Mollusca, Nudibranchia. left) https://flic.kr/p/XYhvtH Broad oval outline. Specimen with small amount of brown pigment (may have faded in c.170 years since printed). Around the base

Illustrated species account of Crepidula fornicata (Linnaeus, 1758) Mollusca, Littorinimorpha. left) https://flic.kr/p/iHTKuN Male on larger female. Reniform outline. Body whorl forms almost all of shell. Thin, wavy red-brown lines radiate from small