†suborder Chondrophorina Chamisso and Eysenhardt 1821
Parent taxon: Hydroida according to B. M. Waggoner and A. G. Collins 1995
See also Bambach et al. 2007
Sister taxa: Archaeonectris, Calyptoblastina, Cambrohydra, Clyxhydra, Drevotella, Flexihydra, Gymnoblastina, Inocaulis, Lafoeidae, Mazohydra, Palaeacmea, Palaeonectris, Parleria, Pontifennia, Protulophila, Psammactinia, Rhabdohydra, Thecata
Subtaxa: Chondroplidae Gelenoptron
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Cretaceous of Japan (3 collections)
• Delamaran of United States (1: California)
Total: 4 collections each including a single occurrence