Science, Space and Technology News 2023
The first mosasaur was discovered more than 200 years ago, and the word “mosasaur” predates the word “dinosaur.” But many questions about these animals remain, including how many times they evolved flippers and became fully aquatic—researchers think it was at least three times, and maybe four or more—and whether they are more closely related to monitor lizards or snakes.
After extensive analysis and surface scanning of the fossil material, Zietlow and her collaborators found that this animal is a new species with a mosaic of features seen in two iconic mosasaurs:. The specimen is estimated to be about 24 feet long, and in addition to flippers and a shark-like tail, it would have had “angry eyebrows” caused by a bony ridge on the skull, and a slightly stumpy tail that would have been shorter than its body.
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