Eopteria richardsoni Billings 1865 (mollusk)

Rostroconchia - Conocardiida - Eopteriidae

Synonym: Eopteria typica Billings 1865 [replaced name]

Full reference: E. Billings. 1865. Palaeozoic fossils, volume 1. Geological Survey of Canada 1-426

Belongs to Eopteria according to P. J. Wagner 2023

See also Billings 1865 and Pojeta and Runnegar 1976

Sister taxa: Eopteria agustini, Eopteria aiteneria, Eopteria alta, Eopteria asiatica, Eopteria conocardiformis, Eopteria crassa, Eopteria flora, Eopteria ornata, Eopteria struszi, Eopteria trilobita, Eopteria ventricosa

Type specimens:

  • Eopteria richardsoni: Its type locality is St. Antoine de Tilly, which is in a Cassinian carbonate limestone in the Beauharnois Formation of Canada.
  • Eopteria typica: Its type locality is Richardson Collection, Port aux Choix, which is in a Cassinian carbonate limestone in the Catoche Formation of Canada.

Ecology: stationary semi-infaunal suspension feeder


• Whiterockian of United States (2: Nevada collections)

• Ordovician of Canada (2: Newfoundland, Quebec), United States (23: Alabama, Alaska, Arkansas, Missouri, Nevada, Texas)

Total: 27 collections each including a single occurrence

Show more details

Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.