Philine aperta from Tunisia

July 26, 2003
From: J. Ben Souissi and A. Eters

Dear Bill
This is another sea slug collected in the lagoon of Tunis, Tunisia. This nudibranch is very abundant and frequent in the muddy bottom

Depth: 2m

I think it is a Philinidae. Probably Philine quadripartita = Philine aperta?

Many thanks,
Jamila Ben Souissi & Anis Eters

J. Ben Souissi and A. Eters, 2003 (Jul 26) Philine aperta from Tunisia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Jamila & Anis,
I am sure this is a species of Philine, and from its shape the most likely identification is Philine aperta. Species of Philine can only be confirmed by checking the shape of the shell, gizzard plates and penial anatomy, but I think P. aperta is the only Mediterranean species with the large muscular parapodial lobes shown in your animal. The name Philine quadripartita is an old synonym of P. aperta.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (Jul 26). Comment on Philine aperta from Tunisia by J. Ben Souissi and A. Eters. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Philine aperta

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