Snakes lost their limbs and slithered onto the scene over 100 million years ago in order to, as some researchers theorize, maneuver through the underground more readily. They differentiate from lizards in that they do not have eye-lids or external ears. Snakes are extremely well adapted to the absence of appendages and have more bones than any other animal on Earth. The skull is not fused like our skulls, and can separate in order to ingest large food items. Aug 17
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Venomous Snakes Common Cobra Death Adder King Brown Snake Prairie Rattlesnake
A snake skeleton consists primarily of the skull , vertebrae , and ribs , with only vestigial remnants of the limbs.
Though some other sea snakes have spiky scales on their bellies, "no other [known] sea snake has this curious feature," study leader Kanishka Ukuwela , an ecologist at the University of Adelaide, said by email. Normally snakes have smooth scales, but each of the newly named scales has a spiny projection, he said.
It’s a tremendously deadly weapon, refined over the course of more than 100 million years. It kills tens of thousands of people every year.