December 21, 2004
From: Bill Rudman
To accompany the new Fact Sheet on Okenia pellucida, here is some information on the radular morphology of this species.
PHOTOS: Scanning electron micrographs of radula. Two views of right side of radula showing bicuspid tip to inner teeth. Angourie Pool, nthn New South
Wales, Australia, 11 March 1982. AM C132964. Scale bar = 10 µm. Photo: G. Avern.
The radular formula of an animal 20 mm long alive, was 26(+1) x 184.108.40.206.1. The innermost tooth has a broad base and a long elongate blade which divides into two pointed cusps. The inner cusp has approximately 12 long, pointed denticles along its inner edge. The much smaller outer teeth have a broad quadrangular base with a large recurved pointed cusp.
Bill RudmanRudman, W.B., 2004 (Dec 21) Radula of Okenia pellucida. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12648
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