Fayoliais a genus of fossilegg capsule,widely thought to have been produced byxenacanths.[2]The egg is elongate and tapers towards both ends, and surrounded by helically twisted collarettes, with one end (the beak) having a tendril.[3]
| Fayolia Temporal range:
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|---|---|
Scientific classification
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | †Xenacanthida |
| Family: | †Xenacanthidae |
| Genus: | †Fayolia Renault & Zeiller, 1884 |
| Type species | |
| †Fayolia dentata Renault & Zeiller, 1884
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| Species[1] | |
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It is predominantly known from freshwater deposits with 16 species spanning a stratigraphic range from theLate Devonianto the MiddleTriassic.[3]A new species,Fayolia sharovi,was described in 2011 from lacustrine deposits of theMiddle TriassicMadygen Formationin Kyrgyzstan, Central Asia.[4]
References
edit- ^"PBDB Taxon".
- ^Jörg W. Schneider; Wolfgang Reichel (1989). "Chondrichthyer-Eikapseln aus dem Rotliegenden (Unterperm) Mitteleuropas — Schlußfolgerungen zur Paläobiologie paläozoischer Süsswasserhaie".Freiberger Forschungshefte.C 436: 58–69.
- ^abFischer, Jan; Licht, Martin; Kriwet, Jürgen; Schneider, Jörg W.; Buchwitz, Michael; Bartsch, Peter (3 April 2014)."Egg capsule morphology provides new information about the interrelationships of chondrichthyan fishes".Journal of Systematic Palaeontology.12(3): 389–399.Bibcode:2014JSPal..12..389F.doi:10.1080/14772019.2012.762061.ISSN1477-2019.
- ^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.Bibcode:2011JVPal..31..937F.doi:10.1080/02724634.2011.601729.S2CID85753690.
Further reading
edit- J. Fischer and I. Kogan. 2008. Elasmobranch egg capsulesPalaeoxyris,FayoliaandVetacapsulaas subject of palaeontological research – an annotated bibliography. Freiberger Forschungshefte C528:75-91
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