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Geochronology Reference Libraries

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Tenontosaurus
2013-01-29 09:53:30

Image Caption: Head of Tenontosaurus, Institut de paléontologie humaine, Paris, France. Credit: Rémih/Wikipedia (CC BY-SA 3.0) Tenontosaurus, meaning “sinew lizard”, is a genus of medium to large sized ornithopod dinosaur. The genus is known from the late Aptian to Albian ages of the middle Cretaceious period sediments of western North America, dating roughly between 115 to 108 million...

Sharpirhynchia sharpi
2014-01-12 00:00:00

Sharpirhynchia sharpi is a species of extinct brachiopod named after fossil collector Samuel Sharp (1814-1882). This species lived during the Lower Bathonian of the Middle Jurassic Period. It is found only in the United Kingdom, and numerous specimens have been taken from several sites, the first from Limekiln Quarry in Northampton, England. S. sharpi is roughly a half-inch long, with a...

Sauroposeidon
2012-03-21 22:48:02

Sauroposeidon, meaning “earthquake god lizard,” is a genus of sauropods dinosaur from the Aptian and Albian ages of the Early Cretaceous Period (110 million years ago). It was discovered in the southeast region of Atoka County, Oklahoma, not far from the border of Texas, in a claystone outcrop. The fossils were initially misidentified as pieces of petrified wood when they were found in...

Qiaowanlong
2011-01-03 18:03:01

Qiaowanlong is a genus of sauropod dinosaur from the Albian stage of the Early Cretaceous Period (100 million years ago). It was discovered in the Yujinzi Basin of Gansu, China in 2007. It came from the geological formation called the Xinminpu Group. Qiaowanlong is known from articulated cervical (neck) vertebrae and a right pelvic girdle, as well as several unidentified bone fragments. It...

Qantassaurus
2011-01-03 17:56:44

Qantassaurus is a genus of ornithopod dinosaur from the late Aptian to early Albian age of the Early Cretaceous Period (115 million years ago). It lived in Australia when the continent was still south of the Antarctic Circle, and was still part of the supercontinent Gondwana. Qantassaurus was discovered in 1996 during the third annual field season of the Dinosaur Dreaming Project, a dig...

Santanaraptor
2010-09-16 16:54:13

Santanaraptor, meaning "Santana Formation thief", is a genus of theropod dinosaur from the Albian or Aptian stage of the Early Cretaceous Period (108 million years ago). It lived in what is now South America. When first discovered, Santanaraptor was thought to be a maniraptoran theropod. However, it is now thought to be a primitive coelurosaur based on features present on the femur. The...

Xiongguanlong
2010-09-08 17:59:47

Xiongguanlong, named after the city of Jiayuguan in northwestern China, is a genus of tyrannosauroid dinosaur from the Aptian to Albian ages of the Early Cretaceous Period (100 to 125 million years ago). The type species, X. baimoensis, was described in 2009 by a group of researchers from China and the USA. The species name, baimoensis, means "white ghost", after "white ghost castle", a...

Qiaowanlong
2010-07-27 12:11:43

Qiaowanlong was a genus of sauropod dinosaur from the Albian stage of the Early Cretaceous Period (100 million years ago). It was discovered in 2007 in the Yujinzi Basin of Gansu, China. It was first described in 2009 in the Proceedings of the Royal Society B. The type species is Q. kangxii. The only known specimen consists of cervical vertebrae, a right pelvic bone and several unidentified...

Agustinia
2010-02-02 15:02:34

Agustinia is a genus of sauropod dinosaur from the late Aptian to Albian ages of the Early Cretaceous Period (116 to 100 million years ago) that lived in what is now South America. It was discovered in the Lohan Cura Formation of Neuquen Province, Argentina. It is named for the one who discovered the fossil, Agustin Martinelli. It was originally named Agustia in 1998, however this name was...

Jobaria
2010-02-02 13:24:39

Jobaria is a genus of sauropod dinosaur from the Early Cretaceous Period (Aptian-Albian age). It was named after the "Jobar", a creature from local legends. It was discovered in the Sahara Desert in 1997, and is one of the most complete Cretaceous sauropods. Although occurring late in the dinosaur world, Jobaria seemed to be a very primitive sauropod. Jobaria is believed to have been about...

Word of the Day
cenobite
  • One of a religious order living in a convent or in community; a monk: opposed to anchoret or hermit (one who lives in solitude).
  • A social bee.
This word comes from the Latin 'coenobium,' convent, which comes from the Greek 'koinobios,' living in community.
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