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DNA remnants found in fossil of 6 million year old turtle
  + stars: | 2023-09-28 | by ( ) www.reuters.com   time to read: +3 min
Researchers excavate the 6 million year old fossil remains of a sea turtle of the genus Lepidochelys near La Pina along the Caribbean coast of Panama in this handout photograph taken in 2015 and obtained by Reuters on September 28, 2023. Cadena said the only older vertebrate fossils than the newly described turtle to have been found with similar DNA remnants were of two dinosaurs - Tyrannosaurus, which lived about 66 million years ago, and Brachylophosaurus, which lived about 78 million years ago. Cadena said DNA remnants also have been reported in insects dating to tens of millions of years ago. The turtle is from the same genus - Lepidochelys - as two of the world's seven living species of sea turtles - the Kemp's ridley, the world's smallest sea turtle, and the olive ridley, Cadena said. "Each fossil, each fossil site has specific conditions of preservation that in some cases could have favored preservation of original biomolecular remains such as proteins and DNA," Cadena said.
Persons: Carlos de Gracia, today's Kemp's ridley, Edwin Cadena, Cadena, ridley, Kemp's ridley, Will Dunham, Elida Moreno, Rosalba O'Brien Organizations: Reuters, REUTERS Acquire, Universidad del Rosario, Smithsonian Tropical Research, Pacific, Thomson Locations: La Pina, Panama, Handout, Bogota, Gulf of Mexico, Washington
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