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000 years ago
which sits very close to the border of Myanmar
also known as osteoderms
beryl is a colorless crystal
Dimetrodon Spine Sail Fragments Size:Classic Riker Box Specimen 000 years agoWith a fearsome jaw and reptilian appearance, Dimetrodon is often mistaken for a dinosaur. However, this family of Early Permian Period species falls into a disparate taxonomic clade known as synapsids which includes mammals. This specimen is a fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail is unknown, though speculation ranges from thermoregulation and locomotion.
