Coronoidea

Superregnum: Eukaryota
Cladus: Amorphea
Cladus: Obazoa
Cladus: Opisthokonta
Cladus: Holozoa
Cladus: Filozoa
Cladus: Choanozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: †Blastozoa
Classis: †Coronoidea

Coronoidea Brett, Frest, Sprinkle & Clement, 1983

• Brett, C.E., Frest, T.J., Sprinkle, J. & Clement, C.R. 1983. Coronoidea: A new class of Blastozoan Echinoderms based on taxonomic reevaluation of Stephanocrinus. Journal of Paleontology 57(4): 627–651. JSTOR Reference page. 

• All Echinoderm Classes (Extinct & Extant). Catalogue of Nature.