Crinoid "Feather Stars" Columnal Segments rockinaboxatlasaurus Coral is a marine invertebrate

Coral is a marine invertebrate that builds an exoskeleton from calcium carbonate in communal formations

The scarcity of gold in Mesopotamia led to the development of trade routes designed to obtain the precious metal

This specimen is a fossilized piece of a Triceratops Frill

When possible

The specimen measures approximately 5mm and comes in an acrylic jar

Crinoid "Feather Stars" Columnal Segments rockinaboxatlasaurus Coral is a marine invertebrateSometimes referred to as feather stars or sea lilies, Crinoids are members of an extended and very ancient family of sea animals known as echinoderms. Echinoderms date back as far as the Cambrian period some 541,000,000 years ago. They include such varied animals as sea urchins, sea cucumbers, and starfish. Their development was part of a much larger explosion of complex life on Earth which resulted in most of the animal or metazoan body plans we know