Hypselodoris paulinae Gosliner & Johnson, 1999

The only specimens of these I saw were two found off the reef runway in Honolulu, Oahu, on 22 July 1985. One of them measured 62mm in length. When I first saw them I would have bet money they were closely related to Risbecia imperialis due to their size, their shape, and especially their habit of queuing or trailing behavior. However, Gosliner & Johnson (1999) figure the radular teeth and they are distinctly bicuspid, a primary characteristic of the genus Hypselodoris.

Links:
Sea Slugs of Hawaii
Sea Slug Forum

Reference:

Gosliner, T.M. & R.F. Johnson. 1999. Phylogeny of Hypselodoris (Nudibranchia: Chromodorididae) with a review of the monophyletic clade of Indo-Pacific species, including descriptions of twelve new species. Zoological Journal of the Linnaean Society (1999), 125:1-114.

Created 20 April 2009

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