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Word: pterosaurs (lookup in dictionary) (lookup stats)
Dates: during 1936-1936
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Usage:

Arizona. Huge, beaked reptiles gliding on batlike wings, the pterosaurs reached their greatest size in the Chalk Age (60-130 million years ago), achieved wingspreads up to 30 feet. These hollow-boned hobgoblins weighed no more than a Thanksgiving turkey. In the older Jurassic period (130-170 million years ago) they were generally much smaller than in the Chalk Age. Digging into a desert mountain slope which once was seabottom, Dr. T. A. Stoyanow, University of Arizona geologist, laid bare a Jurassic pterosaur skeleton with a wingspread of some 28 feet, biggest specimen of that period ever found...

Author: /time Magazine | Title: Science: Diggers | 11/16/1936 | See Source »

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