Ulrichicrinus Explained

Ulrichicrinus is an extinct genus of crinoids.

Fossil records

This genus is known in the fossil records of the Carboniferous period of United States (age range: from 345.3 to 342.8 million years ago).[1]

References

Notes and References

  1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=32436 Paleobiology Database