†family Costatulitidae Berger 1982
Lophophorata - Tentaculitida - Costatulitidae
Parent taxon: Tentaculitida according to Berger 1982
Sister taxa: Contractenidae, Cornulitida, Dentiannulatidae, Gotlandellitidae, Hemicricus, Laminitidae, Ljaschenkovites, Longulatus, Multiconidae, Samarites, Sektionitidae, Tentaculitidae, Uniconidae, Vjalovites
Subtaxa: Costatulites
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Silurian of the Russian Federation (3 collections)
• Ordovician of Canada (4: Quebec), United States (49: Indiana, Kentucky, Ohio)
Total: 56 collections each including a single occurrence