Yamasaki, H.; Kajihara, H. (2012). A new brackish-water species of Echinoderes (Kinorhyncha: Cyclorhagida) from the Seto Inland Sea, Japan. Species Diversity. 17: 109-118.

167968

Yamasaki, H.; Kajihara, H.

2012

17: 109-118

Publication

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Echinoderes ohtsukai sp. nov. is described from an intertidal flat in the Seto Inland Sea, Japan, based on observations with light and scanning electron microscopy. Echinoderes ohtsukai is characterized by 1) a short middorsal spine on segment 4; 2) lateroventral tubules on segments 5 and 8; 3) short laterodorsal tubules on segment 10; 4) a trunk 315–395 µm long; 5) a lack of lateral terminal accessory spines in both sexes; and 6) lateral terminal spines of about 50% trunk length. The species has modified type-II glandular cell outlets, which have previously been reported among congeners only in E. rex Lundbye, Rho and Sørensen, 2011 from the Korea Strait.

North-west Pacific, warm temperate and boreal

Biodiversity, Taxonomic and ecological diversity
Marine interstitial
Meiobenthos
Morphology
Scanning Electron Microscopy, S.E.M. Pictures
Systematics, Taxonomy

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