| Perryus | |
|---|---|
| |
| Perryus severnensis from the Attawapiskat Formation of Ontario; cranidium; holotype of the type species | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Family: | |
| Genus: | Perryus Gass & Mikulic 1982
|
Perryus is a genus of phacopid trilobites that lived in what are now Canada, Greenland, and Siberia from the early Silurian to the middle Silurian from 438 to 430 mya, existing for approximately 8 million years. [1]
Taxonomy
Perryus was named by Gass & Mikulic in 1982. [2] Jell and Adrain list it as a currently valid genus name within the Phacopida, specifically within the Encrinuridae. [3]
Species included
Perryus bartletti Edgecombe & Chatterton, 1992; Perryus globosus (Maksimova, 1962); Perryus mikulici Hughes & Thomas, 2014; Perryus severnensis Gass & Mikulic, 1982 ( type species); Perryus palasso (Lane, 1988)
References
- ^ Fossilworks: Perryus, basic info
- ^ Gass, Kenneth C.; Mikulic, Donald G. (1982). "Observations on the Attawapiskat Formation (Silurian) trilobites of Ontario, with description of a new encrinurine". Canadian Journal of Earth Sciences. 19 (3): 589–596. Bibcode: 1982CaJES..19..589G. doi: 10.1139/e82-047.
- ^ Jell, P. A.; Adrain, J. M. (2003). "Available generic names for trilobites". Memoirs of the Queensland Museum. 49 (2): 331–551.
| Perryus | |
|---|---|
|
| |
| Perryus severnensis from the Attawapiskat Formation of Ontario; cranidium; holotype of the type species | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Family: | |
| Genus: | Perryus Gass & Mikulic 1982
|
Perryus is a genus of phacopid trilobites that lived in what are now Canada, Greenland, and Siberia from the early Silurian to the middle Silurian from 438 to 430 mya, existing for approximately 8 million years. [1]
Taxonomy
Perryus was named by Gass & Mikulic in 1982. [2] Jell and Adrain list it as a currently valid genus name within the Phacopida, specifically within the Encrinuridae. [3]
Species included
Perryus bartletti Edgecombe & Chatterton, 1992; Perryus globosus (Maksimova, 1962); Perryus mikulici Hughes & Thomas, 2014; Perryus severnensis Gass & Mikulic, 1982 ( type species); Perryus palasso (Lane, 1988)
References
- ^ Fossilworks: Perryus, basic info
- ^ Gass, Kenneth C.; Mikulic, Donald G. (1982). "Observations on the Attawapiskat Formation (Silurian) trilobites of Ontario, with description of a new encrinurine". Canadian Journal of Earth Sciences. 19 (3): 589–596. Bibcode: 1982CaJES..19..589G. doi: 10.1139/e82-047.
- ^ Jell, P. A.; Adrain, J. M. (2003). "Available generic names for trilobites". Memoirs of the Queensland Museum. 49 (2): 331–551.