Order Megalithistida Finks and Rigby 2004 (demosponge)

Demospongiae - Megalithistida

Full reference: R.M. Finks and J.K. Rigby. 2004. Paleozoic demosponges. Treatise on Invertebrate Paleontology E revised(3):9-173

Parent taxon: Lithistida according to R. M. Finks et al. 2004

See also Finks and Rigby 2004

Sister taxa: Achrochordonia, Anomocladina, Bothoteca, Callipelta, Cupulina, Gillettia, Hippalimus, Homophymia, Lithistida wiedeyi, Monalithistida, Orchocladina, Phymatellidae, Psarodictyon, Pyrogochonia, Scleritodermidae, Spirosclerophorida, Tetralithistida

Subtaxa: Helomorina Megamorina

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Ecology: stationary epifaunal suspension feeder

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