Gyrodus
Gyrodus (from Greek: γύρος gyros, 'curved' and Greek: ὀδούς odoús 'tooth')[1] is an extinct genus of pycnodontiform ray-finned fish that lived from the late Triassic (Rhaetian) to the middle Cretaceous (Cenomanian).
| Gyrodus | |
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| Gyrodus hexagonus from Solnhofen, Germany | |
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| Genus: | Gyrodus |
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Distribution
Fossils of Gyrodus have been found in:[2]
- Triassic
- Franche-Comté, France
- Jurassic
- Quehita and Quebrada Formations, Chile
- Canjuers-Les Bessons quarry and Fumel, France
- Painten Formation and Liegende Bankkalk Formation, Germany
- Sot de Chera Formation, Spain
- Calcareous Grit Formation, England
- Cretaceous
- Agrio Formation, Argentina
- Ashville Formation, Canada
- Zapata Formation, Chile
- Baharîje Formation, Egypt
- Douiret Formation, Tunisia
- West Melbury Marly Chalk Formation, England
Gallery
Gyrodus hexagonus
Gyrodus circularis
References
- Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 74. Retrieved 30 December 2021.
- Gyrodus at Fossilworks.org
Further reading
- Fossils (Smithsonian Handbooks) by David Ward
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