September 11, 2006
From: Julie Marshall
Concerning message #15535:
Attached are a couple more images of Atagema osseosa. This animal was 10 mm in size and was found beneath a dead coral slab at the reef crest at Heron Island [Great Barrier Reef] at low tide.
Locality: Heron Island, Intertidal, Queensland, Australia, Pacific, 15 November 2001, Intertidal. Length: 10 mm. Photographer: Julie Marshall.
Marshall, J.G., 2006 (Sep 11) Re: Atagema osseosa from sthn Queensland, Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17436
Juveniles like this are very good at showing how the spicules in the mantle wall form a radiating network within the mantle tissue, creating a skeletal framework for both the tubercles and the mantle wall.