Plaesiomys Explained

Plaesiomys is a genus of extinct lamp shells belonging to the family Plaesiomyidae.

Fossil record

Fossils of Plaesiomys are found in marine strata of the Ordovician (age range: from 466.0 to 443.7 years ago.) of Canada, China, Europe and United States.^[1]

Species

• †Plaesiomys anticostiensis (Shaler, 1865)
• †Plaesiomys bellistriatus Wang, 1949
• †Plaesiomys carletona Twenhofel, 1928
• †Plaesiomys fidelis Popov et al., 2000
• †Plaesiomys iphigenia (Billings, 1865)
• †Plaesiomys multiplicata Bancroft, 1945
• †Plaesiomys porcata (McCoy, 1846)
• †Plaesiomys proavitus Winchell and Schuchert, 1892
• †Plaesiomys rockymontana Wilson, 1926
• †Plaesiomys saxbiana Oraspold, 1959
• †Plaesiomys subquadrata (Hall, 1847)

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=26932# Paleobiology Database