Parent taxon: Demospongia according to J. J., Jr. Sepkoski 2002
Sister taxa: Agelasida, Atrochaetetes, Bauneia, Blastochaetetes, Burgundiidae, Ceractinomorpha, Chaetetida, Chondrosida, Choristida, Clavaxinellida, Consinocodium, Desmacellidae, Dictyonellidae, Epipolasida, Hadromerida, Halichondrida, Haplosclerida, Hemiasterellidae, Heteroscleromorpha, Infexiostella, Janussenia, Karatubulus, Keratosa, Lithistida, Lovcenipora, Meandripetra, Metschnikowia, Myxospongiae, Operculospongia, Paraaplysinofibria, Permosphincta, Petrosina, Poecilosclerida, Polymastidae, Ptychochaetetes, Raspailiidae, Riasanospongia, Scopalinidae, Spongillina, Spongiopsammia, Stelligeridae, Tabulospongida, Tetractinellida, Tetractinomorpha, Timeidae, Trachycladidae, Vauxiidae, Verticillitida
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Guadalupiida in the database