Isocrinida

Isocrinida Temporal range: Anisian to Recent PreꞒ Ꞓ O S D C P T J K Pg N
Isocrinus nicoleti columnals; Middle Jurassic; Carmel Formation; Utah.
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Crinoidea
Order:	Isocrinida

Extant families

• Isocrinina (suborder)
  • Cainocrinidae Simms, 1988
  • Isocrinidae Gislén, 1924
  • Isselicrinidae Klikushkin, 1977
  • Proisocrinidae Rasmussen, 1978^[1]

References

• Hess H (2011) Isocrinida. In: Hess, H., Messing, C.G., Ausich, W.I. (Eds.), Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas, pp. 42–69.