A Concise Dictionary of Paleontology by Robert L. Carlton

A Concise Dictionary of Paleontology by Robert L. Carlton

Author:Robert L. Carlton
Language: eng
Format: epub
ISBN: 9783030255862
Publisher: Springer International Publishing


Lessemsaurus

a genus of early sauropodomorph dinosaurs, placed tentatively in the family Lessemsauridae with Antetonitrus and Ingentia. Known from vertebrae, a scapula, and limb bones, Lessemsaurus is estimated at 30 feet long, one of the largest early sauropodomorphs. The lessemsaurids seem to have differed from other sauropodomorphs in their pattern of growth, growing cyclically, in seasonal spurts. La Rioja Province, Western Argentina; Late Triassic, about 210 Ma.

Lewisuchus

a genus of early archosaurian dinosauromorphs in the family Silesauridae; possibly synonymous with Pseudolagosuchus. Estimated at about 3 feet long and 4 pounds, it is known from several partial specimens. Argentina, Middle Triassic, 247 Ma.



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