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Early Jurassic

Index Early Jurassic

The Early Jurassic epoch (in chronostratigraphy corresponding to the Lower Jurassic series) is the earliest of three epochs of the Jurassic period. [1]

81 relations: A. Morley Davies, Ammonoidea, Biostratigraphy, Black Jurassic, Bristol Channel, Bude, Cardiff, Chronostratigraphy, Clay, Coelophysoidea, Cornwall, Crocodylomorpha, Dialect, Dorset, Elasmosauridae, England, Epoch (geology), Eurhinosaurus, Eurycleidus, Facies, Genus, Geologist, Glamorgan, Hauffiosaurus, Heterodontosauridae, Hettangian, Ichthyosaur, Ichthyosaurus, Jurassic, Jurassic Coast, Late Triassic, Lias Group, Limestone, Lissamphibia, List of index fossils, Lithostratigraphy, Lyme Regis, Macroplata, Marine reptile, Mary Anning, Microcleidus, Middle Jurassic, Mudstone, North Yorkshire, Paraphyly, Paul E. Olsen, Plateosauridae, Plesiosauria, Pliosauridae, Porthcawl, ..., Protosuchus, Psiloceratidae, Pterosaur, Quarry, Rhaetian, Rhomaleosauridae, Rhomaleosaurus, Rhynchocephalia, Sauropoda, Scelidosaurus, Series (stratigraphy), Siltstone, Sloop, South Wales Geologists' Association, Sphenosuchia, Stegosauria, Stenopterygius, Stratum, Suevoleviathan, Temnodontosaurus, Tetanurae, Thalattosuchia, Toarcian, Toarcian turnover, Triassic, Triassic–Jurassic extinction event, Tritylodontidae, United Kingdom, University of Chicago Press, Vale of Glamorgan, Wales. Expand index (31 more) »

A. Morley Davies

Arthur Morley Davies (1869-1959) was a British palaeontologist and author or co-author of a number of books on the subject.

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Ammonoidea

Ammonoids are an extinct group of marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda.

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Biostratigraphy

Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them.

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Black Jurassic

The Black Jurassic or Black Jura (Schwarzer Jura) in earth history refers to the lowest of the three lithostratigraphic units of the South German Jurassic, the latter being understood not as a geographical, but a geological term in the sense of a lithostratigraphic super group.

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Bristol Channel

The Bristol Channel (Môr Hafren) is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England.

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Bude

Bude (Porthbud) is a small seaside resort town in north Cornwall, England, UK, in the civil parish of Bude-Stratton and at the mouth of the River Neet (also known locally as the River Strat).

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Cardiff

Cardiff (Caerdydd) is the capital of, and largest city in, Wales, and the eleventh-largest city in the United Kingdom.

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Chronostratigraphy

Chronostratigraphy is the branch of stratigraphy that studies the age of rock strata in relation to time.

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Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.

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Coelophysoidea

Coelophysoids were common dinosaurs of the Late Triassic and Early Jurassic periods.

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Cornwall

Cornwall (Kernow) is a county in South West England in the United Kingdom.

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Crocodylomorpha

Crocodylomorpha is a group of archosaurs that includes the crocodilians and their extinct relatives.

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Dialect

The term dialect (from Latin,, from the Ancient Greek word,, "discourse", from,, "through" and,, "I speak") is used in two distinct ways to refer to two different types of linguistic phenomena.

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Dorset

Dorset (archaically: Dorsetshire) is a county in South West England on the English Channel coast.

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Elasmosauridae

Elasmosauridae was a family of plesiosaurs.

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England

England is a country that is part of the United Kingdom.

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Epoch (geology)

In geochronology, an epoch is a subdivision of the geologic timescale that is longer than an age but shorter than a period.

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Eurhinosaurus

Eurhinosaurus ('well-nosed lizard') is an extinct genus of ichthyosaur from the Early Jurassic (Toarcian) of Europe (England, Germany, Benelux, France & Switzerland).

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Eurycleidus

Eurycleidus is an extinct genus of large-bodied rhomaleosaurid known from the Early Jurassic period (most likely earliest Hettangian stage) of the United Kingdom.

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Facies

In geology, a facies (pronounced variously as, or; plural also 'facies') is a body of rock with specified characteristics, which can be any observable attribute of rocks such as their overall appearance, composition, or condition of formation, and the changes that may occur in those attributes over a geographic area.

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Genus

A genus (genera) is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology.

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Geologist

A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes that shape it.

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Glamorgan

Glamorgan, or sometimes Glamorganshire, (Morgannwg or Sir Forgannwg) is one of the thirteen historic counties of Wales and a former administrative county of Wales.

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Hauffiosaurus

Hauffiosaurus is an extinct genus of Early Jurassic (early Toarcian stage) pliosaurid plesiosaur known from Holzmaden of Germany and from Yorkshire of the United Kingdom.

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Heterodontosauridae

Heterodontosauridae is a family of early ornithischian dinosaurs that were likely among the most basal (primitive) members of the group.

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Hettangian

The Hettangian is the earliest age or lowest stage of the Jurassic period of the geologic timescale.

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Ichthyosaur

Ichthyosaurs (Greek for "fish lizard" – ιχθυς or ichthys meaning "fish" and σαυρος or sauros meaning "lizard") are large marine reptiles.

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Ichthyosaurus

Ichthyosaurus (derived from Greek ιχθυς/ichthys meaning 'fish' and σαυρος/sauros meaning 'lizard') is a genus of ichthyosaurs from the late Triassic and early Jurassic (Rhaetian - Pliensbachian) of Europe (Belgium, England, Germany, Switzerland) and Asia (Indonesia).

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Jurassic

The Jurassic (from Jura Mountains) was a geologic period and system that spanned 56 million years from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period Mya.

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Jurassic Coast

The Jurassic Coast is a World Heritage Site on the English Channel coast of southern England.

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Late Triassic

The Late Triassic is the third and final of three epochs of the Triassic Period in the geologic timescale.

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Lias Group

The Lias Group or Lias is a lithostratigraphic unit (a sequence of rock strata) found in a large area of western Europe, including the British Isles, the North Sea, the Low Countries and the north of Germany.

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Limestone

Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs.

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Lissamphibia

The Lissamphibia are a group of tetrapods that includes all modern amphibians.

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List of index fossils

Index fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages).

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Lithostratigraphy

Lithostratigraphy is a sub-discipline of stratigraphy, the geological science associated with the study of strata or rock layers.

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Lyme Regis

Lyme Regis is a town in West Dorset, England, west of Dorchester and east of Exeter.

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Macroplata

Macroplata (meaning "big plate") is an extinct genus of Early Jurassic basal plesiosaur which grew up to in length.

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Marine reptile

Reptiles that live in the sea. Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment.

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Mary Anning

Mary Anning (21 May 1799 – 9 March 1847) was an English fossil collector, dealer, and paleontologist who became known around the world for important finds she made in Jurassic marine fossil beds in the cliffs along the English Channel at Lyme Regis in the county of Dorset in Southwest England.

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Microcleidus

Microcleidus is an extinct genus of sauropterygian reptile belonging to the Plesiosauroidea.

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Middle Jurassic

The Middle Jurassic is the second epoch of the Jurassic Period.

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Mudstone

Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds.

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North Yorkshire

North Yorkshire is a non-metropolitan county (or shire county) and larger ceremonial county in England.

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Paraphyly

In taxonomy, a group is paraphyletic if it consists of the group's last common ancestor and all descendants of that ancestor excluding a few—typically only one or two—monophyletic subgroups.

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Paul E. Olsen

Paul E. Olsen (born August 4, 1953) is an American paleontologist and author and co-author of a large number of technical papers.

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Plateosauridae

Plateosauridae is a family of plateosaurian sauropodomorphs.

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Plesiosauria

Plesiosauria (Greek: πλησίος, plesios, meaning "near to" and Sauria) or plesiosaurs are an order or clade of Mesozoic marine reptiles (marine Sauropsida), belonging to the Sauropterygia.

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Pliosauridae

Pliosauridae is a family of plesiosaurian marine reptiles from the Earliest Jurassic to the early Late Cretaceous (Hettangian to Turonian stages) of Australia, Europe, North America and South America.

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Porthcawl

Porthcawl is a town and community on the south coast of Wales in the county borough of Bridgend, west of the capital city, Cardiff and southeast of Swansea.

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Protosuchus

Protosuchus is an extinct genus of carnivorous crocodylomorph from the Early Jurassic.

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Psiloceratidae

Psiloceratidae is an extinct family of cephalopods belonging to the ammonite subclass.

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Pterosaur

Pterosaurs (from the Greek πτερόσαυρος,, meaning "winged lizard") were flying reptiles of the extinct clade or order Pterosauria.

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Quarry

A quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate has been excavated from the ground.

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Rhaetian

The Rhaetian is, in geochronology, the latest age of the Triassic period or in chronostratigraphy the uppermost stage of the Triassic system.

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Rhomaleosauridae

Rhomaleosauridae is a family of pliosauroid plesiosaurs from the Earliest Jurassic to the latest Middle Jurassic (Hettangian to Callovian stages) of Europe, North America, South America and possibly Asia.

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Rhomaleosaurus

Rhomaleosaurus (meaning "strong lizard") is an extinct genus of Early Jurassic (Toarcian age, about 183 to 175.6 million years ago) rhomaleosaurid pliosauroid known from Northamptonshire and from Yorkshire of the United Kingdom.

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Rhynchocephalia

Rhynchocephalia is an order of lizard-like reptiles that includes only one living species of tuatara, which in turn has two subspecies (Sphenodon punctatus punctatus and Sphenodon punctatus guntheri), which only inhabit parts of New Zealand.

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Sauropoda

Sauropoda, or the sauropods (sauro- + -pod, "lizard-footed"), are a clade of saurischian ("lizard-hipped") dinosaurs.

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Scelidosaurus

Scelidosaurus (with the intended meaning of "limb lizard", from Greek skelis/σκελίς meaning 'rib of beef' and sauros/σαυρος meaning 'lizard')Liddell & Scott (1980).

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Series (stratigraphy)

Series are subdivisions of rock layers based on the age of the rock and formally defined by international conventions of the geological timescale.

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Siltstone

Siltstone is a sedimentary rock which has a grain size in the silt range, finer than sandstone and coarser than claystones.

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Sloop

A sloop (from Dutch sloep, in turn from French chaloupe) is a sailing boat with a single mast and a fore-and-aft rig.

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South Wales Geologists' Association

The South Wales Geologists' Association (SWGA) is an affiliated local group of the Geologists' Association.

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Sphenosuchia

Sphenosuchia is a suborder of basal crocodylomorphs that first appeared in the Triassic and occurred into the Middle Jurassic.

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Stegosauria

Stegosauria is a group of herbivorous ornithischian dinosaurs that lived during the Jurassic and early Cretaceous periods.

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Stenopterygius

Stenopterygius is an extinct genus of thunnosaur ichthyosaur known from Europe (England, France, Germany, Luxembourg and Switzerland).

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Stratum

In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers.

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Suevoleviathan

Suevoleviathan is an extinct genus of primitive ichthyosaur found in the Early Jurassic (Toarcian) of Holzmaden, Germany.

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Temnodontosaurus

Temnodontosaurus (Greek for “cutting-tooth lizard” - temno, meaning “to cut”, odont meaning “tooth” and sauros meaning “lizard”) is an extinct genus of ichthyosaurs from the Early Jurassic, ranging between 200 and 175 million years ago (Hettangian - Toarcian), and known from Europe (England, France, Germany and Belgium).

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Tetanurae

Tetanurae (/ˌtɛtəˈnjuːriː/ or "stiff tails") is a clade that includes most theropod dinosaurs, including tyrannosaurids, megalosaurids, ornithomimids, allosaurids, maniraptora, and Aves.

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Thalattosuchia

Thalattosuchia is the name given to a clade of marine crocodylomorphs from the Early Jurassic to the Early Cretaceous that had a cosmopolitan distribution.

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Toarcian

The Toarcian is, in the ICS' geologic timescale, an age or stage in the Early or Lower Jurassic.

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Toarcian turnover

The term Toarcian turnover, alternatively the Toarcian extinction, the Pliensbachian-Toarcian extinction, or the Early Jurassic extinction, refers to the wave of extinctions that marked the end of the Pliensbachian stage and the start of the Toarcian stage of the Early Jurassic period, c. 183 million years ago.

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Triassic

The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.

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Triassic–Jurassic extinction event

The Triassic–Jurassic extinction event marks the boundary between the Triassic and Jurassic periods,, and is one of the major extinction events of the Phanerozoic eon, profoundly affecting life on land and in the oceans.

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Tritylodontidae

Tritylodontidae ("three-knob teeth", named after the shape of animal's teeth) is an extinct family of small to medium-sized, highly specialized mammal-like cynodonts, bearing several mammalian traits like erect limbs, endothermy and details of the skeleton.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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University of Chicago Press

The University of Chicago Press is the largest and one of the oldest university presses in the United States.

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Vale of Glamorgan

The Vale of Glamorgan, often referred to as The Vale, (Bro Morgannwg) is a county borough in Wales, bordering Bridgend, Cardiff, and Rhondda Cynon Taf.

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Wales

Wales (Cymru) is a country that is part of the United Kingdom and the island of Great Britain.

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Redirects here:

Early Jurassic epoch, Early Jurrasic, German Lias, Lias (period), Lower Jurassic, Lower Jurassic Epoch.

References

[1] https://en.wikipedia.org/wiki/Early_Jurassic

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