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Triodontoderes anulap gen. et sp. nov.—a new cyclorhagid kinorhynch genus and species from Micronesia

Published online by Cambridge University Press:  27 August 2009

Martin V. Sørensen  and
Hyun Soo Rho
Martin V. Sørensen*
Affiliation:
Zoological Museum, The Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
Hyun Soo Rho
Affiliation:
Marine Living Resources Research Department, Korea Ocean Research and Development Institute, Ansan 425-600, Korea
*
Correspondence should be addressed to: M.V. Sørensen, Zoological Museum, The Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark email: [email protected]
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Abstract

A new kinorhynch genus and species is described from coralline sand collected on the atoll of the Chuuk Islands, Micronesia. The new genus and species, Triodontoderes anulap gen. et sp. nov., is characterized by having an introvert with only five scalid rings, segment 1 consisting of one tergal and one sternal plate, segments 2 to 4 of one tergal and two sternal plates, and segments 5 to 11 of one tergal plate with midventral articulation. Triodontoderes anulap gen. et sp. nov. shares several characters with species of Zelinkaderes, including reduced number of scalid rings, distally tripartite placids, a trunk being circular in cross-section, and segments 5 to 10 being composed of a single tergal plate with midventral articulation. Until the kinorhynch relationships have been examined in a formal phylogenetic analysis, Triodontoderes gen. et sp. nov. are tentatively assigned to Zelinkaderidae.

Keywords

KinorhynchaMicronesianew genustaxonomyTriodontoderes anulap gen. et sp. nov.Zelinkaderidae
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 89 , Issue 6 , September 2009 , pp. 1269 - 1279
Copyright
Copyright © Marine Biological Association of the United Kingdom 2009

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