Parent taxon: Amplexoporina according to A. Ernst et al. 2017
See also Bassler 1911, Bassler 1953, Bolton and Cuffey 2005, Ross 1963 and Sepkoski 2002
Sister taxa: Amplexoporidae, Atactotoechidae, Dyscritellidae, Eridotrypellidae, Monticuliporidae, Stenoporidae
Subtaxa: Nicholsonella acanthobscura Nicholsonella irregularis Nicholsonella parafrondifera Nicholsonella ponderosa
Type: Nicholsonella ponderosa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Niagaran of United States (1: New York collection)
• Silurian of the United Kingdom (1)
• Chazyan of Canada (5: Quebec), United States (13: New York, Vermont)
• Arenig of Argentina (3), China (4)
• Ordovician of Argentina (1), Canada (5: Ontario), China (1), France (2), Mongolia (1), the Russian Federation (4), South Korea (1), United States (35: Georgia, Maine, Minnesota, Iowa, Wisconsin, Illinois, Nevada, Ohio, Oklahoma, Tennessee, Virginia, Wisconsin, Illinois, Iowa)
• Canadian of Canada (2: Quebec)
Total: 79 collections including 90 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.