Parent taxon: Tentaculitida according to O. Vinn et al. 2025
See also Vinn 2006, Weedon 1991, Zatoń et al. 2014 and Zatoń and Olempska 2017
Sister taxa: Contractenidae, Cornulitida, Costatulitidae, Dentiannulatidae, Gotlandellitidae, Hemicricus, Laminitidae, Ljaschenkovites, Longulatus, Multiconidae, Samarites, Sektionitidae, Tentaculitidae, Uniconidae, Vjalovites
Subtaxa: Helicoconchidae Microconchidae Palaeoconchidae Punctaconchidae
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Jurassic of France (1 collection), Germany (1), the United Kingdom (4)
• Triassic of China (34), Germany (13), Greenland (90), Hungary (26), Poland (2), Tunisia (2), Türkiye (2), United States (17: Nevada, Utah)
• Permian of United States (2: Texas)
• Carboniferous of the United Kingdom (2)
• Devonian of Morocco (1), Poland (5), United States (7: Michigan, New York, Ohio, Wyoming)
• Silurian of Estonia (3)
Total: 212 collections including 219 occurrences