Angursa Fujimoto & Hansen, 2019, sp. nov.

• Main Authors: Fujimoto, Shinta, Hansen, Jesper Guldberg
• Format: Text
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; South Shetland Islands; Pacific; Moreno; Renaud; Antarc*; Antarctica; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.5941841; https://zenodo.org/record/5941841

Identification key to Angursa species 1. Club-shaped primary clavae longer than lateral cirri........................................ 2 ( A. bicuspis group) – Bulbous primary clavae shorter than lateral cirri...........................................6 ( A. lanceolata group) 2. Well developed anal papillae..................................................................... A. bicuspis Pollock, 1979 – Anal papillae absent........................................................................................................................... 3 3. Legs II and III sensory organs present; spiral seminal receptacle ducts........ A. clavifera Noda, 1985 – Leg II and III sensory organs absent.................................................................................................. 4 4. Three-lobed tertiary clavae; D-shaped secondary clavae; seminal receptacles present........................................................................................................................................... A. seisuimaruae sp. nov. – Tertiary clavae with no indentation or only slightly indented around external cirri.......................... 5 5. Secondary clavae situated close together (ca 3 μm); short (10 μm) cirrus E.......................................................................................................................................... A. abyssalis Renaud-Mornant, 1981 – Secondary clavae situated apart (ca 9 μm); long (19 μm) cirrus E............... A. capsula Bussau, 1992 6. Leg IV sensory organs as papillae enveloped in hemispherical sheaths; cirri E with annulated scapi............................................................................................ A. antarctica Villora-Moreno, 1998 – Leg IV sensory organs as elongate papillae....................................................................................... 7 7. Cirri E lance-shaped................................................................ A. lanceolata Renaud-Mornant, 1981 – Cirri E tongue-shaped..................................................................................... A. lingua Bussau, 1992 : Published as part of Fujimoto, Shinta & Hansen, Jesper Guldberg, 2019, Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan, pp. 1-19 in European Journal of Taxonomy 510 on page 13, DOI: 10.5852/ejt.2019.510, http://zenodo.org/record/2616378 : {"references": ["Pollock L. W. 1979. Angursa bicuspis n. g., n. sp., a new marine arthrotardigrade from the western North Atlantic. Transactions of the American Microscopical Society 98: 558 - 562. https: // doi. org / 10.2307 / 3225907", "Noda H. 1985. Description of a new subspecies of Angursa bicuspis Pollock (Heterotardigrada, Halechiniscidae) from Tanabe Bay, Japan. Publications of the Seto Marine Biological Laboratory 30: 269 - 276. Available from https: // hdl. handle. net / 2433 / 176110 [accessed 4 Feb. 2019].", "Renaud-Mornant J. 1981. Deux nouveaux Angursa Pollock, 1979, du domaine abyssal (Tardigrada, Arthrotardigrada). Tethys 10: 161 - 164.", "Bussau C. 1992. New deep-sea Tardigrada (Arthrotardigrada, Halechiniscidae) from manganese nodule area of the eastern South Pacific. Zoologica Scripta 21: 79 - 91. https: // doi. org / 10.1111 / j. 1463 - 6409.1992. tb 00311. x", "Villora-Moreno S. 1998. Deep-sea Tardigrada from South Shetland Islands (Antarctica) with description of Angursa antarctica sp. nov. (Arthrotardigrada, Halechiniscidae). Polar Biology 19: 336 - 341. https: // doi. org / 10.1007 / s 003000050255"]}