Pleurobranchus evelinae = P. atlanticus

September 10, 2003
From: Bill Rudman

While checking references to Vinicius Anderson's message about P. areolatus from Brazil I noted Thompson's (1977) description of Pleurobranchus evelinae from Jamaica. In all external features this species matches Pleurobranchus atlanticus as defined on the Forum. Although Thompson does not describe the triangular white marks on some papillae, he mentions scattered white patches, which in an accompanying drawing are arranged in a wide ring around the mantle. He also describes 2 white juveniles with scattered brown rings and an orange border, just as in Anne Dupont"s photo on the Forum. I have no doubt that P. evelinae is a junior synonym of Pleurobranchus atlanticus.

• Thompson, T.E. (1977) Jamaican opisthobranch molluscs I. Journal of Molluscan Studies, 43(2): 93-139, pls.1-3.

Bill Rudman

Rudman, W.B., 2003 (Sep 10) Pleurobranchus evelinae = P. atlanticus. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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