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River Onny
The River Onny is a river in Shropshire, England. It is a major tributary of the River Teme. Etymology The river's name derives from Welsh and means the river on which ash trees (Welsh: ''onnau'') grew. Course The river has its sources in the Shropshire Hills at White Grit, located in Mid and South-west Shropshire. It has two branches, the East Onny and West Onny, which converge at Eaton, to the east of Lydham. The River Onny then flows in a south-easterly direction, through Craven Arms and Onibury (a village it gives its name to), before it finally has its confluence with the River Teme just upstream of Ludlow at Bromfield. From White Grit to Bromfield, the river flows over a distance of . The River Teme is itself a tributary of the River Severn, converging just south of Worcester city centre. The River Severn then flows south-west meeting the sea at Bristol Channel. Geology Geologically, the Onny has the type section just west of Craven Arms of the Caradoc series of ...
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River Onny - Downstream - Geograph
A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of its course if it runs out of water, or only flow during certain seasons. Rivers are regulated by the water cycle, the processes by which water moves around the Earth. Water first enters rivers through precipitation, whether from rainfall, the Runoff (hydrology), runoff of water down a slope, the melting of glaciers or snow, or seepage from aquifers beneath the surface of the Earth. Rivers flow in channeled watercourses and merge in confluences to form drainage basins, or catchments, areas where surface water eventually flows to a common outlet. Rivers have a great effect on the landscape around them. They may regularly overflow their Bank (geography), banks and flood the surrounding area, spreading nutrients to the surrounding area. Sedime ...
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Bromfield, Shropshire
Bromfield is a village and civil parish in Shropshire, England. According to the 2001 census it had a population of 306, which had fallen to 277 at the 2011 census. Location Bromfield is located near the market town of Ludlow, two miles (3 km) northwest of the town centre, on the A49 road. The A4113 road (to Knighton) has its eastern end in Bromfield, at its junction with the A49. The village is situated near the confluence of the River Teme and River Onny. The latter splits the village into two, with the church and many of the older buildings to the west and the recently redeveloped business area to the east (towards Ludlow). A bridge takes the main road over the river. History The manor of Bromfield, and separately Bromfield Priory, are recorded in the Domesday Book of 1086, then still falling within the Saxon hundred of Culvestan, which was abolished in the reign of Henry I; Bromfield then came within Munslow hundred. It was a large and well-populated manor. The pa ...
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Onnia (trilobite)
''Onnia'' is a genus of trilobites from the late Ordovician of Africa, Europe, North America, and South America. Fossils have been found in Canada (Quebec), the Czech Republic, France, Morocco, Portugal, Spain, the United Kingdom, and Venezuela.''Onnia''
at .org


References


Further reading

*''Fossils'' (Smithsonian Handbooks) by David Ward


External links


''Onnia''
in the

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Trilobite
Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most successful of all early animals, existing in oceans for almost 270million years, with over 22,000 species having been described. Because trilobites had wide diversity and an easily fossilized mineralised exoskeleton made of calcite, they left an extensive fossil record. The study of their fossils has facilitated important contributions to biostratigraphy, paleontology, evolution, evolutionary biology, and plate tectonics. Trilobites are placed within the clade Artiopoda, which includes many organisms that are morphologically similar to trilobites, but are largely unmineralised. The relationship of Artiopoda to other arthropods is uncertain. Trilobites evolved into many ecological niches; some moved over the seabed as predators, scavengers, or ...
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Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years from the end of the Cambrian Period Megaannum, Ma (million years ago) to the start of the Silurian Period Ma. The Ordovician, named after the Celtic Britons, Welsh tribe of the Ordovices, was defined by Charles Lapworth in 1879 to resolve a dispute between followers of Adam Sedgwick and Roderick Murchison, who were placing the same Rock (geology), rock beds in North Wales in the Cambrian and Silurian systems, respectively. Lapworth recognized that the fossil fauna in the disputed Stratum, strata were different from those of either the Cambrian or the Silurian systems, and placed them in a system of their own. The Ordovician received international approval in 1960 (forty years after Lapworth's death), when it was adopted as an official per ...
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Caradoc Series
In geology, Caradoc Series is the name introduced by Roderick Murchison in 1839 for the sandstone series of Caer Caradoc in Shropshire, England. It is the fifth of the six subdivisions (in ascending order) of the Ordovician System, comprising all those rocks deposited worldwide during the Caradocian Age (458 to 448 million years ago). The limits of Murchison's Caradoc series have since been somewhat modified, and through the labours of Charles Lapworth the several members of the series have been precisely defined by means of graptolitic zones. These zones are identical with those found in the rocks of the same age in North Wales, the Bala Series, and the terms Bala or Caradoc series are used interchangeably by geologists when referring to the uppermost substage of the Ordovician System. The Ordovician rocks of the Caradoc district have been subdivided into the following beds, in descending order: the Trinucleus shales, Acton Scott beds, Longville flags, Chatwell and Soudley sa ...
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Bristol Channel
The Bristol Channel (, literal translation: "Severn Sea") is a major inlet in the island of Great Britain, separating South Wales (from Pembrokeshire to the Vale of Glamorgan) and South West England (from Devon to North Somerset). It extends from the smaller Severn Estuary of the River Severn () to the North Atlantic Ocean. It takes its name from the English city and port of Bristol. Long stretches of both sides of the coastline are designated as Heritage Coast. These include Exmoor, Bideford Bay, the Hartland Point peninsula, Lundy Island, Glamorgan, Gower Peninsula, Carmarthenshire, South Pembrokeshire and Caldey Island. Until Tudor times the Bristol Channel was known as the Severn Sea, and it is still known as this in both and . Geography The International Hydrographic Organization (IHO) defines the offshore western limit of the Bristol Channel as "a line joining Hartland Point in Devon () to St. Govan's Head in Pembrokeshire ()". Western and northern Pembrok ...
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Worcester, England
Worcester ( ) is a cathedral city in Worcestershire, England, of which it is the county town. It is south-west of Birmingham, north of Gloucester and north-east of Hereford. The population was 103,872 in the 2021 census. The River Severn flanks the western side of the city centre, overlooked by Worcester Cathedral. Worcester is the home of Royal Worcester, Royal Worcester Porcelain, Lea & Perrins (makers of traditional Worcestershire sauce), the University of Worcester, and ''Berrow's Worcester Journal'', claimed as the world's oldest newspaper. The composer Edward Elgar (1857–1934) grew up in the city. The Battle of Worcester in 1651 was the final battle of the English Civil War, during which Oliver Cromwell's New Model Army defeated Charles II of England, King Charles II's Cavalier, Royalists. History Early history The trade route past Worcester, later part of the Roman roads in Britain, Roman Ryknild Street, dates from Neolithic times. It commanded a ford crossing o ...
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River Severn
The River Severn (, ), at long, is the longest river in Great Britain. It is also the river with the most voluminous flow of water by far in all of England and Wales, with an average flow rate of at Apperley, Gloucestershire. It rises in the Cambrian Mountains in mid Wales, at an altitude of , on the Plynlimon massif, which lies close to the Ceredigion/Powys border near Llanidloes. The river then flows through Shropshire, Worcestershire and Gloucestershire. The county towns of Shrewsbury, Worcester, England, Worcester and Gloucester lie on its course. The Severn's major tributaries are the River Vyrnwy, Vyrnwy, the River Tern, Tern, the River Teme, Teme, the Warwickshire Avon, and the River Stour, Worcestershire, Worcestershire Stour. By convention, the River Severn is usually considered to end, and the Severn Estuary to begin, after the Prince of Wales Bridge, between Severn Beach in South Gloucestershire and Sudbrook, Monmouthshire. The total area of the estuary's draina ...
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Ludlow
Ludlow ( ) is a market town and civil parish in Shropshire (district), Shropshire, England. It is located south of Shrewsbury and north of Hereford, on the A49 road (Great Britain), A49 road which bypasses the town. The town is near the confluence of the rivers River Corve, Corve and River Teme, Teme. The oldest part is the medieval Defensive wall, walled town, founded in the late 11th century after the Norman Conquest, Norman conquest of England. It is centred on a small hill which lies on the eastern bank of a bend of the River Teme. Situated on this hill are Ludlow Castle and the parish church, St Laurence's Church, Ludlow, St Laurence's, the largest in the county. From there the streets slope downward to the rivers River Corve, Corve and River Teme, Teme, to the north and south respectively. The town is in a sheltered spot beneath Mortimer Forest and the Clee Hills, which are clearly visible from the town. Ludlow has nearly 500 listed buildings, including examples of med ...
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Shropshire
Shropshire (; abbreviated SalopAlso used officially as the name of the county from 1974–1980. The demonym for inhabitants of the county "Salopian" derives from this name.) is a Ceremonial counties of England, ceremonial county in the West Midlands (region), West Midlands of England, on the England–Wales border, border with Wales. It is bordered by Cheshire to the north-east, Staffordshire to the east, Worcestershire to the south-east, Herefordshire to the south, and the Welsh principal areas of Powys and Wrexham County Borough, Wrexham to the west and north-west respectively. The largest settlement is Telford, while Shrewsbury is the county town. The county has an area of and a population of 498,073. Telford in the east and Shrewsbury in the centre are the largest towns. Shropshire is otherwise rural, and contains market towns such as Oswestry in the north-west, Market Drayton in the north-east, Bridgnorth in the south-east, and Ludlow in the south. For Local government i ...
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Onibury
Onibury is a village and Civil parishes in England, civil parish on the River Onny in southern Shropshire, about northwest of the market town of Ludlow. The parish includes the hamlets of Walton and Wootton and was extended in 1967 to include parts from Clungunford and Stokesay. It borders the parishes of Clungunford, Stokesay (now part of Craven Arms parish), Bromfield, Shropshire, Bromfield, Culmington and Stanton Lacy. The English country house, country houses of Ferney Hall and Stokesay Court are in the parish. History Toponym The Toponymy, toponym "Onibury" is derived from the Old English for "fortified place on the River Onny". "Onny" means "river on whose banks ash trees grew", from the Welsh language, Welsh "on" meaning ashes. Domesday Book Onibury is recorded in the Domesday Book of 1086 as ''Aneberie''. It had 15 households, making it a fairly medium-sized settlement for the time, and a priest. The Manorialism, manor formed part of the Saxon hundred (county division) ...
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