Parent taxon: Glyptocrinina according to W. I. Ausich 1998
See also Ausich and Copper 2010 and Ubaghs et al. 1978
Sister taxa: Eucalyptocrinitacea, Glyptocrinacea, Glyptocrinoidea, Patelliocrinoidea, Platycrinitacea, Platycrinitoidea, Stipatocrinacea
Subtaxa: Cytocrinus Melocrinitidae Paramelocrinidae Scyphocrinitidae
Type: Melocrinus
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Devonian of Australia (9 collections), Bolivia (2), Brazil (1), Canada (1: Quebec), Czechia (9), France (1), Germany (6), Italy (1), Kazakhstan (2), Morocco (1), Poland (2), the Russian Federation (1), Spain (1), Ukraine (1), United States (8: Illinois, New York, Ohio, Tennessee)
• Silurian to Devonian of Algeria (2), Austria (2), Czechia (1), Italy (1), Mauritania (1), Morocco (1), Poland (1), United States (1: Oklahoma)
• Silurian of Algeria (4), Australia (1), Austria (1), Canada (4: Ontario, Quebec), China (1), Czechia (11), France (1), Italy (1), Mongolia (1), Morocco (11), Poland (3), Sweden (1), Ukraine (1), the United Kingdom (1), United States (16: Illinois, Indiana, Iowa, Oklahoma, Tennessee, West Virginia, Wisconsin), Western Sahara (1)
• Ordovician of China (1), United States (2: Illinois, Missouri)
Total: 118 collections including 140 occurrences