Crinoidea - Dendrocrinida - Dendrocrinidae
Synonym: Ottawacrinidae Moore and Laudon 1943
Parent taxon: Dendrocrinacea according to W.I. Ausich et al. 1998
See also Ausich 1998, Ausich and Copper 2010, Ausich et al. 2019, Kolata 1976, Parsley 1981, Ubaghs et al. 1978 and Wright et al. 2019
Sister taxon: Colpodecrinidae
Subtaxa: Aetocrinus Alsopocrinus Atractocrinus Bactrocrinites Brechmocrinus Compagicrinus Dendrocrinus Elpasocrinus Esthonocrinus Grenprisia Laurucrinus Ottawacrinus Parisangulocrinus Rozhnovicrinus
Type: Dendrocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Devonian of Australia (1 collection), the Czech Republic (2), Germany (4), Spain (1), Tajikistan (1), United States (4: New York)
• Silurian of Australia (6), Canada (10: Ontario, Quebec), Estonia (2), the United Kingdom (2), United States (20: New York, Ohio, Oklahoma, Tennessee)
• Whiterockian of Canada (2: Newfoundland)
• Ordovician of Canada (16: Ontario, Quebec), France (1), the United Kingdom (1), United States (39: Illinois, Illinois, Iowa, Indiana, Iowa, Iowa, Illinois, Minnesota, New York, Ohio, Oklahoma, Wyoming)
Total: 112 collections including 132 occurrences