Biology:Protamphisopus

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Protamphisopus is a genus of extinct phreatoicidean freshwater[1] isopods from the Permian and Triassic periods.[2][3]

Taxonomy

Three species are currently placed in Protamphisopus:

  • Protamphisopus baii Fu & Wilson, 2010 (Middle Triassic Yunnan, China)[3]
  • Protamphisopus reichelti Malzahn in Glaessner & Malzahn, 1962 (Lopingian Lower Rhine, Germany)[2]
  • Protamphisopus wianamattensis (Chilton, 1918) (Wianamatta Group near Newtown, Australia)[4]

The genus appears to be paraphyletic, with the Late Permian species Protamphisopus reichelti likely belonging to stem group Palaeophreatoicidae and the Triassic species Protamphisopus baii and Protamphisopus wianamattensis likely belonging to Amphisopidae in crown group Phreatoicidea.[1]

References

  1. ↑ 1.0 1.1 Wilson, George D. F.; Edgecombe, Gregory D. (2003). "The Triassic isopod Protamphisopus wianamattensis (Chilton) and comparison by extant taxa (Crustacea, Phreatoicidea).". Journal of Paleontology 77 (3): 454–470. doi:10.1017/S0022336000044176. ISSN 0022-3360. OCLC 1754714. 
  2. ↑ 2.0 2.1 Glaessner, Martin F.; Malzahn, Erich (December 1962). "Neue Crustaceen aus dem niederrheinischen Zechstein" (in de). Fortschritte in der Geologie von Rheinland und Westfalen 6: 259–264. ISSN 0071-8009. OCLC 1569891. https://decapoda.nhm.org/pdfs/16271/16271.pdf. 
  3. ↑ 3.0 3.1 Fu, Wan-Lu; Wilson, George D. F.; Jiang, Da-Yong; Sun, Yuan-Lin; Hao, Wei-Cheng; Sun, Zuo-Yu (2010). "A new species of Protamphisopus Nicholls (Crustacea, Isopoda, Phreatoicidea) from Middle Triassic Luoping Fauna of Yunnan Province, China". Journal of Paleontology 84 (5): 1003–1013. doi:10.1666/10-042.1. ISSN 0022-3360. OCLC 1754714. https://www.researchgate.net/publication/261909019. 
  4. ↑ Chilton, Chas (1918). "A fossil isopod belonging to the freshwater genus Phreatoicus". Journal and Proceedings of the Royal Society of New South Wales (51): 365–388. doi:10.5962/p.359715. ISSN 0035-9173. OCLC 764619. http://www.biodiversitylibrary.org/page/41685840. 

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