Browse Items (2 total) Tags: Echinoderms Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Crinoid Includes six fossilized crinoid segments. Tags: Animals, Arkansas, Echinoderms, Fossils, Geology, North America, Paleontology, United States Echinoderm 1 starfish and 2 crinoids. Tags: Animals, Echinoderms, Fossils, Geology, Germany, Paleontology, United States Featured Item Dinosaur Includes the 2nd phalanx of 3rd metatarsal of right hind foot and mold.