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Saniwa ensidens, fossil latin dict size=74   common dict size=512
Image Info Original File Name: Saniwa_ensidens.jpg Resolution: 2748x3344 File Size: 3747344 Bytes Date: 2008:01:09 07:18:22 Camera: KODAK EASYSHARE M1063 DIGITAL CAMERA (EASTMAN KODAK COMPANY) F number: f/2.8 Exposure: 125000/1000000 sec Focal Length: 57/10 Upload Time: 2017:01:29 20:48:38
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Subject Saniwa ensidens, fossil

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Saniwa ensidens, fossil

English: Fossil of Saniwa ensidens in the Field Museum of Natural History.
Date 24 August 2011
Author Smokeybjb

Saniwa is an extinct genus of monitor lizards that lived during the Eocene epoch around 48 million years ago. Well-preserved fossils have been found in the Bridger and Green River Formations of Wyoming, and evidence indicates Saniwa also lived in Europe. The type species S. ensidens was named in 1870 as the first fossil lizard known from North America. Several other species have since been added, but their validity is uncertain. It is a close relative of Varanus, the genus that includes extant monitor lizards. Order: Squamata, Family: Varanidae, Species: Saniwa ensidens Leidy, 1870 (type), Saniwa orsmaelensis Dollo, 1923, Synonyms: Thinosaurus Marsh, 1872

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