Full reference: W. I. Ausich and P. Copper. 2010. The Crinoidea of Anticosti Island, Quebec (Late Ordovician to Early Silurian). Palaeontographica Canadiana (29)1-157
Parent taxon: Disparida according to W. I. Ausich and P. Copper 2010
Sister taxa: none
Subtaxa: Pisocrinidae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of United States (2: Nevada collections)
• Carboniferous of United States (3: Illinois, Missouri, Oklahoma)
• Devonian of Australia (8), Czechia (9), Germany (2), Morocco (2), Poland (1), the Russian Federation (3), Tajikistan (1), Ukraine (1), Uzbekistan (1)
• Silurian of Australia (5), Canada (2: British Columbia, Quebec), China (2), Czechia (2), Poland (1), Sweden (4), Ukraine (1), the United Kingdom (8), United States (36: Illinois, Indiana, Iowa, Missouri, New York, Ohio, Oklahoma, Tennessee, Wisconsin)
• Ordovician of the United Kingdom (2)
Total: 96 collections including 121 occurrences