Isorophida

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

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[1]
Families
†Agelacrinitidae †Lebetodiscidae