The tegmen of 'red' crinoid

Submitted by: David Thompson
Taxon: Megistocrinus rugosus
Submit date: 2007-03-09
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Four Mile Dam Formation
Age: Erian (Middle Devonian)
Submitter notes: This shows the tegmen of the previous Megistocrinus rugosus with the red replacement. Traces of red are found in fossils near the bioherms but rarely a complete calyx with this much. U.S. Ten Cent piece for scale

---

From PaleoBioDB:

---

Search Deep Blue: