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A redescription of Leptosynapta clarki Heding (Echinodermata: Holothuroidea) from the northeast Pacific, with notes on changes in spicule form and size with age
Sewell, M.A.; Thandar, A.S.; Chia, F.-S. (1995). A redescription of Leptosynapta clarki Heding (Echinodermata: Holothuroidea) from the northeast Pacific, with notes on changes in spicule form and size with age. Can. J. Zool. 73(3): 469-485. hdl.handle.net/10.1139/z95-054
In: Canadian Journal of Zoology = Revue canadienne de zoologie. National Research Council: Ottawa. ISSN 0008-4301, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Sewell, M.A.
  • Thandar, A.S.
  • Chia, F.-S.

Abstract
    Leptosynapta clarki is redescribed on the basis of the type material and new collections from Bamfield and Gabriola Island, British Columbia, and False Bay, San Juan Island, Washington. Both intraspecific and zoogeographic variations are recorded. Further, notes are added on changes in spicule form and the size of the anchor plates with age in a single population of the species from Grappler Inlet, Bamfield. Leptosynapta roxtona Heding, 1928, described from three fragments, is declared a synonym of L. clarki, and L. lens Heding, 1928 a synonym of L. albicans (Selenka, 1867). Leptosynapta transgressor Heding, 1928 is suspected to be a subtidal ecological variant of L. clarki, but is tentatively retained until living material becomes available.

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