Biology:Ulrichicrinus
From HandWiki
Short description: Extinct genus of crinoids
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
Wikidata ☰ Q22287017 entry
![]() | Original source: https://en.wikipedia.org/wiki/Ulrichicrinus.
Read more |