†family Eustenocrinidae Ulrich 1924 (Sea lily)
Crinoidea - Eustenocrinida - Eustenocrinidae
Parent taxon: Eustenocrinida according to W. I. Ausich 1998
See also Ausich 1986, Ausich and Copper 2010, Ausich et al. 2018, Donovan 1984 and Ubaghs et al. 1978
Sister taxon: Acolocrinidae
Subtaxa: Coralcrinus Eustenocrinus Inyocrinus Peniculocrinus Pogonipocrinus Virucrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Silurian of Canada (1: Quebec collection)
• Dobrotivian of Spain (1)
• Ordovician of Canada (2: Ontario), Estonia (36), United States (1: California)
Total: 41 collections each including a single occurrence