Angursa Pollock 1979
Creators
Description
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
Notes
Files
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Styraconyxidae
- Genus
- Angursa
- Kingdom
- Animalia
- Order
- Arthrotardigrada
- Phylum
- Tardigrada
- Scientific name authorship
- Pollock
- Taxon rank
- genus
- Taxonomic concept label
- Angursa Pollock, 1979 sec. Fujimoto & Hansen, 2019
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