Crinoidea - Cyathocrinida - Gasterocomidae
Parent taxon: Gasterocomacea according to W. I. Ausich 1998
See also Johnson and Lane 1969 and Ubaghs et al. 1978
Sister taxa: Cupressocrinitidae, Petalocrinidae, Sphaerocrinidae
Subtaxa: Ancyrocrinus Arachnocrinus Bouskacrinus Corynecrinus Gasterocoma Kopficrinus Lecythocrinus Mictocrinus Myrtillocrinus Nanocrinus Prolecythiocrinus Schultzicrinus Scoliocrinus Tetrapleurocrinus
Type: Gasterocoma
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Devonian of Antarctica (2 collections), Australia (2), Canada (7: Ontario, Yukon), Czechia (1), France (2), Germany (1), South Africa (1), United States (16: Alaska, Indiana, Nevada, New York)
• Silurian of United States (3: Indiana, Missouri, Tennessee)
Total: 35 collections including 38 occurrences