Oxfordian stage

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Oxfordian stage

The Oxfordian stage is the first stage

Faunal stage

In chronostratigraphy, a stage is a Geologic record laid down in an single age on the geologic timescale, which usually represents millions of years of deposition....
of the Late Jurassic

Late Jurassic

The Late Jurassic Epoch of the Jurassic Period is the unit of geologic time scale from 161.2 ? 4.0 to 145.5 ? 4.0 million years ago, which is preserved in Upper Jurassic stratum....
Epoch. It spans the time between 161.2 ± 4 Ma

Annum

Annum is one form of the Latin noun meaning year, not a form normally used for derivatives in modern languages: the accusative case Grammatical number of the second declension grammatical gender noun annus , anni ....
and 155.7 ± 4 Ma (million years ago).

The stage takes its name from the city of Oxford

Oxford

Oxford is a City status in the United Kingdom, and the county town of Oxfordshire, in South East England. It has a population of 151,000. The rivers River Cherwell and River Thames run through Oxford and meet south of the city centre....
in England

England

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Encyclopedia

The Oxfordian stage is the first stage

Faunal stage

In chronostratigraphy, a stage is a Geologic record laid down in an single age on the geologic timescale, which usually represents millions of years of deposition....
of the Late Jurassic

Late Jurassic

Annum

Oxford

England

Vertebrate Fauna

Ornithischians

Ornithischians of the Oxfordian
Taxa	Presence	Location	Description	Images
Chaoyangsaurus Chaoyangsaurus *Chaoyangsaurus* was a marginocephalian dinosaur from the Late Jurassic of China. Chaoyangsaurus belonged to the Ceratopsia , a group of primarily herbivorous dinosaurs with parrot-like beaks which thrived in North America and Asia during the Cretaceous Period ....	Oxfordian? Tithonian Tithonian The Tithonian is the final faunal stage of the Late Jurassic epoch . It spans the time between 150.8 ? 4 annum and 145.5 ? 4 Ma . It is followed by the Berriasian stage of the Early Cretaceous epoch .... ?	Chaoyang Chaoyang Chaoyang is a prefecture-level city in Liaoning province of the People's Republic of China.Within the prefecture there is a variety of mining.... , Liaoning, China	A marginocephalian dinosaur from the Late Jurassic of China, belonged to the Ceratopsia, a group of primarily herbivorous dinosaurs with parrot-like beaks
Chialingosaurus Chialingosaurus *Chialingosaurus* is a genus of stegosaur similar to Kentrosaurus from the Upper Shaximiao Formation, Late Jurassic beds in Sichuan Province in China....		Upper Shaximiao Formation, Sichuan, China	A genus of stegosaur similar to Kentrosaurus
Chungkingosaurus Chungkingosaurus *Chungkingosaurus*, meaning "Chongqing Lizard", is a genus of dinosaur from the Late Jurassic-age Upper Shaximiao Formation in what is now China....		Upper Shaximiao Formation, Sichuan, China	One of the smallest of the stegosaurids at 3-4 metres long (10-13 ft), Chungkingosaurus had at least five spikes on its thagomizer. It had a rather high and narrow skull and large, thick bony plates.
Dacentrurus Dacentrurus *Dacentrurus* , originally known as *Omosaurus*, was a large Stegosauria of the late Jurassic Period . This dinosaur measured around 6 - 10 m in length....		England, France, Spain, Portugal	A large stegosaurid
Eugongbusaurus Eugongbusaurus *"Eugongbusaurus"* is the informal name given to a genus of dinosaur that lived about 160 to 155 million years ago, in the Late Jurassic. It was either a hypsilophodont, or a less-derived ornithischian....		Shishugou Formation Shishugou Formation The Shishugou Formation is a geological Formation in Xinjiang, People's Republic of China, whose strata date back to the Late Jurassic period.... , Xinjiang, China	Either a hypsilophodont, or a less-derived ornithischian
Gongbusaurus Gongbusaurus *Gongbusaurus* is a genus of ornithischian dinosaur that lived between about 160 and 155 million years ago, in the Late Jurassic Period . A small herbivore, it is very poorly known....		Dashanpu Formation Dashanpu Formation The Dashanpu Formation is a Middle Jurassic to Late Jurassic rock formation in China, most notable for the wealth of dinosaurs that have been excavated from the area.... , Sichuan, China	By extrapolation from the remains of possible species and other basal ornithopods, it was a herbivorous bipedal animal around 1.3 to 1.5 meters long (4.3 to 4.9 ft). It would have been a strong runner
Jiangjunosaurus Jiangjunosaurus *Jiangjunosaurus* is a genus of stegosauridae dinosaur from the Oxfordian stage-age Shishugou Formation of the Junggar Basin, Xinjiang, People's Republic of China....		Junggar Basin, Xinjiang, China	A genus of stegosaurid
Tuojiangosaurus Tuojiangosaurus *Tuojiangosaurus* is a genus of stegosaurid dinosaur from the Late Jurassic Period , recovered from the Upper Shaximiao Formation of what is now Sichuan Province in China....		Upper Shaximiao Formation, Sichuan, China	The best understood of the Chinese stegosaurs. It was around 7.0 meters (23 ft) long and 2 meters (7 ft) high, with a postulated weight of around 4 metric tons (4.4 short tons).
Yinlong Yinlong *Yinlong* is a genus of Basal ceratopsian dinosaur from the Late Jurassic Period of central Asia. It was a small, primarily bipedal herbivore, approximately 1.2 meters long....		Shishugou Formation Shishugou Formation The Shishugou Formation is a geological Formation in Xinjiang, People's Republic of China, whose strata date back to the Late Jurassic period.... , Xinjiang, China	A small, primarily bipedal herbivore, approximately 1.2 meters (4 ft) long, the oldest and most primitive ceratopsian known to science.

Thalattosuchians

Thalattosuchians of the Oxfordian
Taxa	Presence	Location	Description	Images
Aggiosaurus Aggiosaurus *Aggiosaurus* is a genus of marine crocodyliform from the Late Jurassic period of the Oxfordian stage, around 155 to 157 million years ago. Aggiosaurus was a carnivore that spent much, if not all, its life out at sea....
Geosaurus Geosaurus *Geosaurus* was a small, gracile genus of marine crocodyliform within the family Metriorhynchidae that lived during the Late Jurassic to the Early Cretaceous....
Metriorhynchus Metriorhynchus *Metriorhynchus* is an extinct genus of marine crocodyliformes that lived in the oceans during the Middle Jurassic to Late Jurassic. Metriorhynchus was named by the Germans palaeontologist Christian Erich Hermann von Meyer in 1830....			An opportunistic carnivore Carnivore A carnivore , meaning 'meat eater' , is any animal with a diet consisting mainly of meat, whether it comes from animals living or dead .In a more general sense, an animal may be considered a carnivore if it prefers feeding on animal matter over plant matter.... that fed on fish Fish A fish is any marine biology vertebrate animal that is typically ectothermic , covered with scale , and equipped with two sets of paired fins and several unpaired fins.... , belemnites and other marine animals and possible carrion. Metriorhynchus grew to an average adult length of 3 meters (9.6 feet), although some individuals may have reached lengths rivaling those of large nile crocodile Nile crocodile The Nile crocodile is an African reptile of the Family Crocodylidae.... s.
Steneosaurus Steneosaurus *Steneosaurus* is an extinct genus of Teleosauridae crocodyliform from the Early Jurassic to Early Cretaceous . Fossil specimens have been found in England, France, Germany, Switzerland and Morocco....

Theropods

Theropoda Theropoda Theropods are a group of bipedal saurischian dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivore during the Cretaceous Period .... of the Oxfordian
Taxa	Presence	Location	Description	Images
Yangchuanosaurus Yangchuanosaurus *Yangchuanosaurus* was a theropod dinosaur that lived in People's Republic of China during the Late Jurassic, and was similar in size and appearance to its North American contemporary, Allosaurus....		Upper Shaximiao Formation, Sichuan, China	Yangchuanosaurus shangyouensis reached about 7 metres long (23 ft) with a skull around 80 cm long (32 in). Its relative Y. magnus grew larger still: up to 10 metres long (33 ft) with a skull up to 1 metre (3 ft) in length. There was a bony knob on its nose and multiple hornlets and ridges, similar to Ceratosaurus. It had a massive tail that was about half its length. Allosaurus Allosaurus *Allosaurus* is a genus of large theropod dinosaur that lived 155 to 145 million years ago, in the late Jurassic Period . The name Allosaurus means "different lizard" and is derived from the Ancient Greek a????/allos and sa????/sauros ....

Invertebrate Fauna

Nautiloids

Nautiloids of the Oxfordian
Taxa	Presence	Location	Description	Images
Somalinautilus

Belemnites

Belemnites of the Oxfordian
Taxa	Presence	Location	Description	Images
Produvalia