Homalozoa is an obsolete extinct subphylum of Paleozoic era echinoderms, prehistoric marine invertebrates. They are also referred to as carpoids. The Homalozoa...

Ctenocystoids were once classified in the taxon Homalozoa, also known as Carpoidea, alongside cinctans, solutes, and stylophorans. Homalozoa is now recognized...

Crinoidea - for classification, see the article Crinoidea Formerly even Carpoidea/Homalozoa belonged to Pelmatozoa. Sources for this chapter: Fell, Howard...

Thoral and an undetermined member of the order Soluta (Echinodermata, Carpoidea) in the uppermost Cambrian of Nevada". Journal of Paleontology. 37 (6):...