Isorophida References

Isorophida; Temporal range: 488.3–272.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	† Edrioasteroidea
Order:	†Isorophida; Bell, 1976
Families
	† Agelacrinitidae; † Lebetodiscidae;

Isorophida (the isorophids) is an extinct order of prehistoric echinoderms in the class Edrioasteroidea.

References

^ Phylogenetic implications of ontogenetic development in the class Edrioasteroidea (Echinodermata). BM Bell, Journal of Paleontology, 1976

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