Ulrichicrinus
Appearance
Ulrichicrinus Temporal range:
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Fossil of Ulrichicrinus from Carboniferous of United States | |
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Genus: | Ulrichicrinus Springer, 1926 [1]
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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).[2]
References
- ^ Springer, F. 1926. Unusual fossil crinoids: Proceedings of the United States National Museum 67:1–137.
- ^ Paleobiology Database
- See also List of crinoid genera