Crinoid stems or parts are usually found as small discs from 6 - 13 mm in diameter. Crinoids were widespread in North America from the Lower Ordovician to the Present. Crinoids with stems were called sea lilies, and the stem usually bore a crown with 5 or more branched or unbranched arms.

---

Return to Fossils
Return to Index

Return to HOOPER VIRTUAL PALEONTOLOGICAL MUSEUM (HVPM)