†family Contractenidae Ljaschenko 1973
Lophophorata - Tentaculitida - Contractenidae
Parent taxon: Tentaculitida according to N. M. Farsan 1994
Sister taxa: Costatulitidae, Dentiannulatidae, Gotlandellitidae, Hemicricus, Laminitidae, Ljaschenkovites, Longulatus, Multiconidae, Samarites, Sektionitidae, Tentaculitidae, Uniconidae, Vjalovites
Subtaxa: Contractenus Semicyclus
Ecology: stationary semi-infaunal suspension feeder
Distribution: