Perryus

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—430 mya, existing for approximately 8 million years.[1]

Perryus
Temporal range: Early Silurian-Middle Silurian
~438–430 Ma
Perryus severnensis from the Attawapiskat Formation of Ontario; cranidium; holotype of the type species
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Trilobita
Order:
Phacopida
Family:
Encrinuridae
Genus:
Perryus

Gass & Mikulic 1982

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)

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References
  1. Fossilworks: Perryus, basic info
  2. 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. doi:10.1139/e82-047.
  3. Jell, P. A.; Adrain, J. M. (2003). "Available generic names for trilobites". Memoirs of the Queensland Museum. 49 (2): 331–551.


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