Amargasaurus - Dinosaurs A-Z
In Wisconsin, United States
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AMARGASAURUS - Dinosaurs A-Z
Dinosaurs A-Z will introduce you to some unique dinosaurs. I'm a big dinosaur fan and have read and researched many dinosaurs. Amargasaurus is the first in my collection of dinosaur geocaches.
Genus of dicraeosaurid sauropod dinosaur from the Early Cretaceous Period (130-125 mya) of what is now South America. It was small for a sauropod, reaching 10 meters (33 feet) length. It would have been a quadrupedal herbivore with a long, low skull on the end of a long neck, much like its relative Dicraeosaurus. However, this dinosaur sported two parallel rows of tall spines down its neck and back, taller than in any other known sauropod. These spines have been reconstructed supporting skin sails, but the "skin sail" hypothesis was rejected by Gregory S. Paul in 2000.
Discovery and Species:
The name Amargasaurus was coined in 1991 by Argentine paleontologists Leonardo Salgado and José Bonaparte, because its fossil remains were found alongside the La Amarga Arroyo in the Neuquén province of Argentina. La Amarga is also the name of a nearby town, as well as the geologic formation the remains were recovered from. The word amarga itself is Spanish for "bitter," while sauros is Greek for "lizard." The one named species is named in honor of the man who discovered the site, Dr. Luis Cazau, a geologist with the YPF oil company, which at the time was state-owned.
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Last Updated: on 2/3/2017 12:40:39 AM (UTC-08:00) Pacific Time (US & Canada) (8:40 AM GMT)
Coordinates are in the WGS84 datum