Site icon Penn Dixie Fossil Park & Nature Reserve

Other echinoderms

Echinoderms are marine invertebrates with radial symmetry and include starfish, sea urchins, sand dollars, and crinoids.

Pelmatozoan columnals; 50 mm long. Collected by Brandon Bialy.
Pelmatozoan holdfast; 3.4 cm wide. Discovered in the Tichenor Limestone by Jerry Bastedo.
An encrusted crinoid calyx; 3.4 cm wide. Discovered in the Windom Shale by Chris Cuviello.
An echinoderm holdfast growing on a horn coral. Collected from the lower Windom Shale by Jerry Bastedo.
Exit mobile version