File:Protostega gigas.jpgDescriptionProtostega gigas.jpg English: Protostega gigas - giant sea turtle from Late Cretaceous of Kansas Русский: Protostega gigas - гигантская морская
File:Protostega Gigas.jpgDescriptionProtostega Gigas.jpg 80 - 70 million years ago Late Cretaceous Date 10 October 2008, 10:52 Source Protostega Gigas (Sea Turtle) Author Claire
File:Fossil Protostega Gigas.jpgDescriptionFossil Protostega Gigas.jpg Fossil Protostega Gigas. Washington. Date 20 March 2007, 10:00 Source Washington, DC Author Courtney Walker from
File:Fossil of Protostega Gigas.jpgDescriptionFossil of Protostega Gigas.jpg DSC_1937 Date 13 November 2010, 11:21 Source DSC_1937 Author Eddie Maloney from North Las Vegas, USA
File:Protostega gigas at CMNH 01.JPGDescriptionProtostega gigas at CMNH 01.JPG Fossil skeleton of Protostega gigas Date November 2007 Source Own work Author User:Piotrus Permission (Reusing