Diacalymene
Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. ouzregui, D. clavicula,[2] D. diademata and D. gabrielsi.[1] It lived in the Ordovician[3] and Silurian periods.[1]
| Diacalymene | |
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| Genus: | †Diacalymene Kegel, 1927 |
| Type species | |
| Calymene diademata Barrande, 1846 [1] | |
Distribution
Fossils of the genus have been found in:[4]
- Ordovician
- Cabano, Jupiter and White Head Formations, Quebec, Canada
- Dufton Shale, United Kingdom
- Silurian
- Lipeón Formation, Argentina
- Cariy Sandstone, Paraguay
- Motol and Zelkovice Formations, Czech Republic
- Henryhouse Formation and St. Clair Limestone, United States
References
- Jonathan M. Adrain and Gregory D. Edgecombe (1997). "Silurian (Wenlock) calymenid trilobites from the Cape Phillips Formation, central Canadian Arctic" (PDF). Journal of Paleontology. 71 (4): 657–682. JSTOR 1306585.
- Riccardo Levi-Setti (1995). Trilobites (2nd ed.). University of Chicago Press. ISBN 978-0-226-47452-6.
- Pierre J. Lespérance (1968). "Ordovician and Silurian trilobite faunas of the White Head Formation, Percé Region, Québec". Journal of Paleontology. 42 (3): 811–826. JSTOR 1302377.
- Diacalymene at Fossilworks.org
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