Adrianov, A. V.; Murakami, C.; Shirayama, Y. (2002). Echinoderes aureus n. sp. (Kinorhyncha: Cyclorhagida) from Tanabe Bay (Honshu Island), Japan, with a key to the genus Echinoderes. Species Diversity. 7: 47-66.

167865

Adrianov, A. V.; Murakami, C.; Shirayama, Y.

2002

7: 47-66

Publication

https://www.jstage.jst.go.jp/article/specdiv/7/1/7_KJ00003893324/_pdf/-char/ja

Available for editors   [request]

A new species of echinoderid kinorhynch, Echinoderes aureus, is described and illustrate dusing a differentia ilnterference contrast microscope with Nomarski optics. The kinorhynchs were collected from washings of a brown alga, Padina arborescens Holmes, growing in tide pools in Tanabe Bay, Honshu Island, Japan. Diagnostic characters of E. aureLts are the presence of middorsal spines on segments 6-10, lateral spines/tubu}es on segments4 and 7-12, a pair of remarkably large subcuticular scars in a subventral position on segment 3, and an ineomplete rnidventral articulation on segment 4. The positions of numerous sensory-glandular organs, the sizes of various lateral spinesltubules, and the shapes of the terminal tergal and sternal extensions are also diagnostic .Echinoderes aureus constitutes the 59th valid species of the genus Echinoderes and the 15th species described from the Pacific Ocean. This is the fourth representative of Pacific kinorhynchs found only in the intertida lzone and the second Pacific Ebhinoderes living on macroalgae in tide pools, A dichotomous key to all 59 species is provided.

Japan

Biodiversity, Taxonomic and ecological diversity
Marine interstitial
Meiobenthos
Morphology

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