Select Page

Echinoderms

Back to Meet the Fossils!
Exhibit Home

Echinoderms are all members of the phylum Echinodermata. There are five classes within Echinodermata: Asteroidea, Crinoidea, Echinoidea, Holothuroidea, and Ophiuroidea. The University of Arkansas Museum collections includes Arkansas fossil remains for Crinoidea and Echinoidea.

An irregularly shaped rock against a white surface with fossil impressions throughout it.

Crinoidea

Underwater scene with a "fuzzy" sea star on a rock with sand and vegetation behind it.

Echinoidea