Description
Genus/Species: Salteraster sp. (two, thinner) and Petraster sp. (partial)
Age: Late Silurian (approximately 410 million)
Location: Clonbinane Sandstone Formation, Victoria, Australia
Plate Size: 5.6″ long x 3.8″ wide x .94″ thick
Weight: .85 lbs
https://geoclassics.com/product-category/fossils/starfish-brittle-stars/