Crinoid, Sarocrinus varsovensis, Carboniferous (Mississippian) Edwardsville Formation, Crawfordsville, Floyd Co., Indiana
Crinoid, Sarocrinus varsovensis, Carboniferous (Mississippian) Edwardsville Formation, Crawfordsville, Floyd Co., Indiana
Sand Dollar Fossil Madagascar
Sea Star, Morocco
Sea Stars
Crinoid, Carboniferous (Mississippian), Crawfordsville, Indiana
Eocrinoidea, Early Cambrian and Late Silurian
Eocrinoidea, detail, Early Cambrian and Late Silurian
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