Biology:Skaracarida

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Short description: Extinct genus of crustaceans

Skaracarida
Temporal range: Upper Cambrian
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Order: Skaracarida
Müller & Walossek, 1985 [1]
Family: Skaraidae
Müller & Walossek, 1985
Genus: Skara
Müller, 1983

Skara is a genus of maxillopod crustacean known from the Upper Cambrian Orsten deposit of Sweden and similarly aged deposits in China.[2] It is the only genus in the order Skaracarida and family Skaraidae, and contains three species:[3]

  • Skara anulata Müller, 1983
  • Skara minuta Müller & Walossek, 1985
  • Skara huanensis Liu & Dong, 2007

The feeding system of Skara resembles those of copepods and Derocheilocaris, and the three taxa are accordingly grouped together as the clade Copepodoida.[4] Skara is likely to have scraped or brushed the substrate to release food.[5]

References

  1. K. J. Müller; D. Walossek (1985). "Skaracarida, a new order of Crustacea from the Upper Cambrian of Västergötland, Sweden". Fossils and Strata 17: 1–65. https://www.uni-ulm.de/fileadmin/website_uni_ulm/nawi.biodok/publikationen/1985_Mller_Walossek_b_FS_l.pdf. 
  2. Liu Jie; Dong Xiping (2007). "Skara hunanensis a new species of Skaracarida (Crustacea) from Upper Cambrian (Furongian) of Human, south China". Progress in Natural Science 17 (8): 934–942. doi:10.1080/10002007088537494. 
  3. "Skaracarida Müller & Walossek, 1985". Centre of 'Orsten' Research and Exploration. February 25, 2008. http://www.core-orsten-research.de/21%20taxa%20htmls/19_rehbachiella.html. 
  4. Joachim T. Haug; Jørgen Olesen; Andreas Maas; Dieter Waloszek (2011). "External morphology and post-embryonic development of Derocheilocaris remanei (Mystacocarida) revisited, with a comparison to the Cambrian taxon Skara". Journal of Crustacean Biology 31 (4): 668–692. doi:10.1651/11-3481.1. 
  5. Mats E. Eriksson; Fredrik Terfelt; Rolf Elofsson; Federica Marone (2012). "Internal soft-tissue anatomy of Cambrian 'Orsten' arthropods as revealed by synchrotron X-ray tomographic microscopy". PLoS ONE 7 (8): e42582. doi:10.1371/journal.pone.0042582. PMID 22870334. Bibcode2012PLoSO...742582E. 

Wikidata ☰ Q16992591 entry