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(Boot sponge)

Rhabdocalyptus dawsoni

Order LYSSACINOSIDA  [Lyssacinosa] 
Family Rossellidae 

Originally identified by: Lambe 1893
Habitat:  Alaska-S California; shallow
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The boot sponge, Rhabdocalyptus dawsoni is another common species in British Columbia Early work on its natural history was carried out by Gary Silver, a graduate student at the University of Victoria, and Bill Austin at Khoyatan Marine Laboratory (e.g., Austin 1991). Sally Leys, also worked on this species as a graduate student at the Univ. of Victoria (e.g., Leys & Lauzon, 1998), as has Jeff Marliave, VP Marine Science, Vancouver Aquarium Marine Science Centre (Marliave 1992).