Biology:Fayolia
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Short description: Extinct family of sharks
| Fayolia | |
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| Class: | Chondrichthyes
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| Genus: | †Fayolia Renault & Zeiller, 1884
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| Binomial name | |
| †Fayolia dentata Renault & Zeiller, 1884
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Fayolia is a genus of fossil egg capsule, widely thought to have been produced by xenacanths.[1] The egg is elongate and tapers towards both ends, and surrounded by helically twisted collarettes, with one end (the beak) having a tendril.[2]
It is predominantly known from freshwater deposits with 16 species spanning a stratigraphic range from the Late Devonian to the Middle Triassic.[2] A new species, Fayolia sharovi, was described in 2011 from lacustrine deposits of the Middle Triassic Madygen Formation in Kyrgyzstan, Central Asia.[3]
References
- ↑ Jörg W. Schneider; Wolfgang Reichel (1989). "Chondrichthyer-Eikapseln aus dem Rotliegenden (Unterperm) Mitteleuropas — Schlußfolgerungen zur Paläobiologie paläozoischer Süsswasserhaie". Freiberger Forschungshefte C 436: 58–69.
- ↑ 2.0 2.1 Fischer, Jan; Licht, Martin; Kriwet, Jürgen; Schneider, Jörg W.; Buchwitz, Michael; Bartsch, Peter (2014-04-03). "Egg capsule morphology provides new information about the interrelationships of chondrichthyan fishes" (in en). Journal of Systematic Palaeontology 12 (3): 389–399. doi:10.1080/14772019.2012.762061. ISSN 1477-2019. http://www.tandfonline.com/doi/abs/10.1080/14772019.2012.762061.
- ↑ Jan Fischer; Sebastian Voigt; Jörg W. Schneider; Michael Buchwitz; Silke Voigt (2011). "A selachian freshwater fauna from the Triassic of Kyrgyzstan and its implication for Mesozoic shark nurseries". Journal of Vertebrate Paleontology 31 (5): 937–953. doi:10.1080/02724634.2011.601729.
Wikidata ☰ Q5439091 entry
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