Select Page

Cydrocrinus

Cydrocrinus is an extinct genus of crinoids.

Fossil record

This genus is known in the fossil record of the Carboniferous period of United States (age range: 345.3 to 342.8 million years ago).[2]

References

  1. ^ Kirk, E. 1940. Seven new genera of Carboniferous Crinoidea Inadunata. Journal of the Washington Academy of Sciences 30: 321 -
  2. ^ Paleobiology Database