Calcarea - Porata

Parent taxon: Calcarea according to

See also Rigby and Potter 1986, Rigby et al. 1988 and Senowbari-Daryan and Stanley 1998

Sister taxa: Aporata, Aspiculata, Aulocyclus, Aulospongia, Bellidispongia, Calcaronea, Calcinea, Clifdenella, Cystothalamiidae, Faniathalamia, Fistulisponga, Follicalena, Gravestockia, Nibionia, Paruvanella, Pseudodictyocoelia, Rahbahthalmia, Zigzagella, Elasmostomatidae, Gaspespongia, Faretronida, Madrespongia

Subtaxa: Ascosymplegmatidae Cystauletidae Polytholosiidae Sphaeroverticillitidae Stromatocoeliidae

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: found only at White Mountain area, McGrath A-5 quadrangle (Ordovician of Alaska)

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