Perryus Explained

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 .^[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)

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=21697&is_real_user=1 Fossilworks: Perryus, basic info
2. Gass. Kenneth C.. Mikulic. Donald G.. 10.1139/e82-047 . Observations on the Attawapiskat Formation (Silurian) trilobites of Ontario, with description of a new encrinurine. Canadian Journal of Earth Sciences. 19. 3. 589–596. 1982. 1982CaJES..19..589G .
3. Jell. P. A.. Adrain. J. M.. Available generic names for trilobites. Memoirs of the Queensland Museum. 49. 2. 331–551. 2003.