Ceratobairdia
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Ostracoda
Order: Podocopida
Family: Bairdiidae
Genus: †Ceratobairdia
Sohn, 1954

Ceratobairdia is an extinct genus of ostracod (seed shrimp) belonging to the order Podocopida and family Bairdiidae.[1] Specimens have been found in Permian[2] to Jurassic[3] beds in North America,[2] China,[4] and Europe.[3]

The genus is heavily ornamented,[5] and a distinctive characteristic is that its valves (shells) have a flat ventral surface and a ventrolateral alate ridge (a winglike ridge extending from the ventral surface to the side of the valve.)[6] The genus is also notable as a Lazarus taxon, disappearing in the Permian-Triassic extinction event and reappearing in the Carnian,[5] an interval of at least 15 million years.

Species

  • C. ambigua Ishizaki 1964[4]
  • C. dorsospinosa Sohn 1954[2]
  • C. sinensis Wang 1978[1]
  • C. triassica Bolz 1971[3]
  • C. venterocostata Wang 1978[7]
  • C. xiaobaensis Xie 1989[8]

References

  1. 1 2 Becker, G.; Wang, S.Q. (1992). "Kirkbyacea and Bairdiacea (Ostracoda) from the Palaeozoic of China". Palaeontographica Abteilung A. 224 (1–54).
  2. 1 2 3 Sohn, I.G. (1954). "Ostracoda from the Permian of the Glass Mountains, Texas". U.S. Geological Survey Professional Paper. Professional Paper. 264-A. doi:10.3133/pp264A.
  3. 1 2 3 Harloff, J.; Jäger, R. (1994). "Ostracoden aus dem Lias der Kalkalpen Bayerns und Nordtirols". Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie). 205: 1–63.
  4. 1 2 Zazzali, Sindbad; Crasquin, Sylvie; Deconinck, Jean-François; Feng, Qinglai (September 2015). "Biodiversity across the Guadalupian-Lopingian Boundary: first results on the ostracod (Crustacea) fauna, Chaotian section (Sichuan Province, South China)" (PDF). Geodiversitas. 37 (3): 283–313. doi:10.5252/g2015n3a1. S2CID 128473981.
  5. 1 2 Forel, M.-B.; Crasquin, S. (October 2020). "Bounded by crises: An overview of the evolution of marine ostracods during the Triassic" (PDF). Marine Micropaleontology. 174: 101925. doi:10.1016/j.marmicro.2020.101925. S2CID 224931341.
  6. ↑ Forel, Marie-Béatrice; Ozsvárt, Péter; Moix, Patrice (2018). "Carnian (Late Triassic) ostracods from the Sorgun Ophiolitic Mélange (Southern Turkey): Taxonomy, palaeoenvironment, and evidence of predation". Palaeontologia Electronica. 21 (2). doi:10.26879/852. hdl:10831/67481.
  7. ↑ Crasquin, Sylvie; Forel, Marie-Béatrice; Qinglai, Feng; Aihua, Yuan; Baudin, François; Collin, Pierre-Yves (4 August 2010). "Ostracods (Crustacea) through the Permian-Triassic boundary in South China: the Meishan stratotype (Zhejiang Province)". Journal of Systematic Palaeontology. 8 (3): 331–370. doi:10.1080/14772011003784992. S2CID 85986762.
  8. ↑ Xie, L. (1989). "Study on the Permian-Triassic Biostratigraphy and Event Stratigraphy of Northern Sichuan and Southern Shaanxi". Geological Memoirs. 29. 435: 211–220.


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