Diacalymene
Extinct genus of trilobites
From Wikipedia, the free encyclopedia
Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. clavicula,[2] D. diademata and D. gabrielsi.[1] It lived in the Ordovician[3] and Silurian periods.[1]
| Diacalymene | |
|---|---|
| |
| Diacalymene gabrielsi from Sommerset Island, Canada | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Family: | †Calymenidae |
| 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
