Cydrocrinus

Cydrocrinus is an extinct genus of crinoids.

Cydrocrinus Temporal range: Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Cydrocrinus from Carboniferous of United States
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Crinoidea
Order:	Cladida
Genus:	Cydrocrinus Kirk, 1940[1]

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]