Full reference: J. K. Rigby and G. L. Bell. 2006. Sponges from the Reef Trail Member of the Upper Guadalupian (Permian) Bell Canyon Formation, Guadalupe Mountains National Park, Texas. Journal of Paleontology 80(5):1-42
Parent taxon: Lyssacinosa according to J. K. Rigby and G. L. Bell 2006
Sister taxa: Brachiospongioidea, Brevicirrus, Euplectellidae, Leucopsacasiidae, Lumectospongiidae, Stauractinellidae, Acanthospongia, Calathospongia, Caulophacus, Colpospongia, Crateromorpha, Euplectella, Foerstella, Lasiothrix, Malumispongium, Oncosella, Opeamorphus, Palaeosaccus, Proeuplectella, Pyritonema, Regardrella, Rosella, Testispongia, Rossellidae, Leucopsacidae
Subtaxa: Flexuospiculata hexactina
Type: Flexuospiculata hexactina
Ecology: stationary epifaunal suspension feeder