For more than a century, biologists assumed that the bony plates embedded in the skin of lizards – like natural chain mail – were an ancient feature that some lineages inherited and others later lost.
A single vertebra dug out of a mine in southern Georgia has been used to identified a new genus and new species of lizard. Photo from Calin Razvan Fotograf via Unsplash An unidentified bone pulled ...
Gilmore, Charles W. 1919. "Dimetrodon gigas, a giant spiny lizard from Texas bone beds." Scientific American Supplement, (2271) 20, 21, 3 figs.
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