Angursa Pollock 1979

• Main Authors: Fujimoto, Shinta, Hansen, Jesper Guldberg
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Tardigrada; Heterotardigrada; Arthrotardigrada; Styraconyxidae; Angursa; Antarc*; Antarctica
• Online Access: https://doi.org/10.5281/zenodo.5941842; http://treatment.plazi.org/id/03D3878DFF9A58191EE26771DE31F942

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