Crinoid base.

Submitted by: David Thompson
Taxon: Athroacantha carpenteri
Submit date: 2014-01-07
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: Calyx base showing tiny attachment points for tiny spines used to protect against invaders. These are often preserved but not in this case. The calyx is 6.5 cm tall by 5 cm wide

---

From PaleoBioDB:

---

Search Deep Blue: