For the first time in the area ’s chronicle , paleontologists in Mexico have discovered a fully articulated dinosaur tail – and it ’s a doozy . Believed to have belong to a hadrosaur living 72 - million yr ago , the shadow ’s 50 entire vertebrae continue a whopping 16 - foot in length , and are in pristine condition .
That a amply articulate tail has never before been discovered in Mexico – a country with a plenteous paleontological history – should give you some thought of how rare a find this is . That it looks this good after more than 70 - million days is just frost on the patty .
The tush was reclaim near the town of General Cepeda in the country of Coahuila keep an eye on 20 daytime of excavation by palaeontologist from the National Institute of Anthropology and History ( INAH ) and the National Autonomous University of Mexico ( UNAM ) . bury in the seat ’s prompt neighbourhood was a form of other fossilized bones , including a hip .
judge from the length of the keister , paleontologist Felisa Aguilar , who directed the excavation , predicts its duck’s egg - bill , crest - headed owner may have measure almost 40 - substructure retentive . Aguilar consider the remainder of the specimen may be bury still deeper in the earth , beneath where the tail was found .
Even without the residual of the skeleton in the closet , however , the find stay a significant one . “ For the biologic study of dinosaurs this determination is authoritative because we will have a sequence that will let on the characteristics of the vertebra , ” and how they change in size of it calculate on their position along the rachis .
dinosaursPaleontologyScience
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