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and 18 fuse cases
it can oxidize during the cooling process to form a thin layer of film
It was originally retrieved at the scene in 1937 by journalist Harry Kroh
New York: Nova Science Publishers
It was acquired at auction from Christie’s London office in late 2016
Dimetrodon Spine Sail Fragments Size:Classic Riker Box Specimen and 18 fuse casesWith 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.
US$ 16.50
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