Cydrocrinus is an extinct genus of crinoids.

Cydrocrinus
Temporal range: Carboniferous
Fossil of Cydrocrinus from Carboniferous of United States
Scientific classification
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Cydrocrinus

Kirk, 1940 [1]

Fossil records

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

References

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