Angursa Pollock 1979
- Dataset
- Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan
- Rank
- GENUS
Classification
- kingdom
- Animalia
- phylum
- Tardigrada
- class
- Heterotardigrada
- order
- Arthrotardigrada
- family
- Styraconyxidae
- genus
- Angursa
Angursa Pollock 1979
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