Hexactinellida - Hexactinosa - Aulocalycidae
Parent taxon: Hexactinosa according to R. M. Finks et al. 2004
Sister taxa: Aphrocallistidae, Auloplacidae, Caesaria, Carinthiaspongus, Caseispongia, Clavularia, Cribrospongiidae, Cystispongiidae, Emplocidae, Euretidae, Euryplegmatidae, Farreidae, Furcicanalis, Idiodictyon, Imbricareola, Laocaetis, Misonia, Multiloqua, Mysterium, Octobrum, Pileolitoidea, Pillaraspongioidea, Polysyge, Porospongia, Rhogostomium, Rhombedonium, Scopularia, Scotospongia, Sphenaulacidae, Staurodermatidae, Tesselispongia, Tremaphorus, Tretodictyidae, Vermifistula, Xenoschrammenus
Subtaxa: Polygonatium
Type: Polygonatium
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jurassic of Argentina (2 collections), Germany (2), Poland (1), the Russian Federation (3)
Total: 8 collections including 9 occurrences