Sea Slugs and Allies

Whilst this group also includes most land snails, the majority of Euthyneuran gastropods found in the marine environment are sea slugs, with a greatly reduced, internal, or absent shell. However, they also include the false limpets and air-breathing (pulmonate) marine snails.

Headshield (Cephalaspid) Slugs


Side-gilled (Pleurobranch) Slugs

Runcinidan Slugs

Sacoglossan Slugs

False Limpets (Order Siphonariida)

Umbrella Slugs (Order Umbraculida)