Taxonomic Study of Marine Tardigrades from Korea III. A New Species of the Genus Orzeliscus (Heterotardigrada, Halechiniscidae) KCI

Title
Taxonomic Study of Marine Tardigrades from Korea III. A New Species of the Genus Orzeliscus (Heterotardigrada, Halechiniscidae)
Author(s)
이지민; 노현수; 장천영
KIOST Author(s)
Lee, Ji Min(이지민)
Publication Year
2017-01
Abstract
A new marine tardigrade species of the genus Orzeliscus belonging to the family Halechiniscidae is described from the sea coasts of Korea and Japan. This new species is most characterized in having slender, pole-shaped clava with uniform breadth along its whole length. Furthermore, it evidently differs from the congeners by the combination of characters of a hemispherical protrusion on cheek region of the head, a big and bulbous lateral projection between leg III and leg IV, and an elongate papillus terminating with a minute tube on leg IV. ‘Orzeliscus cf. belopus’ sensu McKirdy, Schmidt and McGinty-Bayly, 1976 from the Galapagos Islands quite resembles this new species in sharing the slender, pole-shaped clava. However, these two Pacific populations are distinguished to each other by body size and shapes of the protrusion on cheek region and the lateral projection between leg III and leg IV. Scanning electron microscope photographs and a key to species of the genus Orzeliscus are also provided herein.
ISSN
2234-8190
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/1303
DOI
10.5635/ASED.2017.33.1.056
Bibliographic Citation
한국동물분류학회지, v.33, no.1, pp.26 - 32, 2017
Publisher
한국동물분류학회
Keywords
Arthrotardigrada; East Asia; Japan; morphology; Northwest Pacific
Type
Article
Language
English
Publisher
한국동물분류학회
Related Researcher
Research Interests

Taxonomy,Meiofauna,Biodiversity,동물분류,중형저서동물,생물다양성

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