Tylodina perversa
(Gmelin, 1791)

Order: NOTASPIDEA
Superfamily: TYLODINOIDEA
Family: Tylodinidae

DISTRIBUTION

Mediterranean and northeast Atlantic at least as far as British Isles.

PHOTO

UPPER: on food sponge, Aplysina aerophoba [Formerly known as Verongia aerophoba]. See eaten patch below animal.
LOWER LEFT: right side view showing large gill which in all notaspids is found on the right of the body, and in Tylodina and Umbraculum protected by the limpet-shaped shell.
LOWER RIGHT: View of head showing large enrolled rhinophores with small black eyes at their base. Banyuls sur Mer, Mediterranean coast, France, 1991.
PHOTOS: Daniel L. Geiger.

Reference:
• Gmelin, J.R. (1791) Caroli a Linne Systema Naturae per regna tria naturae, Vol. 1, Pt. 6, Cl. 6, Vermes, p. 3021-3910. Leipzig.

Authorship details
Rudman, W.B., 1999 (June 5) Tylodina perversa (Gmelin, 1791). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/tyloperv

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