SpongesPoriferaPorifera (sponges) is a phylum in the kingdom Animalia, containing 2,329 described species.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumPoriferaClassesDemospongesDemospongiae2,001Calcareous SpongesCalcarea199Homoscleromorph SpongesHomoscleromorpha69Glass SpongesHexactinellida60