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Atychodracon, the Glossary

Atychodracon is an extinct genus of rhomaleosaurid plesiosaurian known from the Late Triassic - Early Jurassic boundary (probably early Hettangian stage) of England.^[1]

80 relations: Anningasaura, Archaeonectrus, Atlas (anatomy), Avalonnectes, Barrow upon Soar, Basal (phylogenetics), Blue Lias, Bobosaurus, Borealonectes, Bristol Museum & Art Gallery, Cervical vertebrae, Cladistics, Cladogram, Dragon, Early Jurassic, England, Eoplesiosaurus, Eurycleidus, Extinction, Femur, Fibula, Forelimb, Genus, Greek language, Harry Seeley, Hettangian, Holotype, Humerus, International Code of Zoological Nomenclature, Jaw, Late Triassic, Leicester, Leicester Museum & Art Gallery, Leicestershire, Macroplata, Mandible, Mandibular symphysis, Marcasite, Maresaurus, Mesozoic, Meyerasaurus, Million years ago, Morphology (biology), National Museum of Ireland, Natural History Museum, London, Nomen dubium, Nostril, Palatine bone, Phylogenetics, Plesiosaur, ... Expand index (30 more) »
Early Jurassic plesiosaurs of Europe
Hettangian life
Rhaetian life
Rhomaleosaurids
Triassic England
Triassic plesiosaurs

Anningasaura

Anningasaura is an extinct genus of basal plesiosaur. Atychodracon and Anningasaura are early Jurassic plesiosaurs of Europe and sauropterygian genera.

See Atychodracon and Anningasaura

Archaeonectrus

Archaeonectrus is an extinct genus of pliosaur from the Early Jurassic (Sinemurian) of what is now southeastern England. Atychodracon and Archaeonectrus are rhomaleosaurids and sauropterygian genera.

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Atlas (anatomy)

In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine and is located in the neck.

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Avalonnectes is an extinct genus of small-bodied rhomaleosaurid known from the Early Jurassic period (most likely earliest Hettangian stage) of the United Kingdom. Atychodracon and Avalonnectes are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Avalonnectes

Barrow upon Soar

Barrow upon Soar is a large village in northern Leicestershire, in the Soar Valley between Leicester and Loughborough, with a population at the 2011 census of 5,856.

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Basal (phylogenetics)

In phylogenetics, basal is the direction of the base (or root) of a rooted phylogenetic tree or cladogram.

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Blue Lias

The Blue Lias is a geological formation in southern, eastern and western England and parts of South Wales, part of the Lias Group.

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Bobosaurus

Bobosaurus is an extinct genus of sauropterygian reptile related to plesiosaurs. Atychodracon and Bobosaurus are sauropterygian genera.

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Borealonectes

Borealonectes is a genus of rhomaleosaurid pliosauroid, a type of plesiosaur. Atychodracon and Borealonectes are sauropterygian genera.

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Bristol Museum & Art Gallery

Bristol Museum & Art Gallery is a large museum and art gallery in Bristol, England.

See Atychodracon and Bristol Museum & Art Gallery

Cervical vertebrae

In tetrapods, cervical vertebrae (vertebra) are the vertebrae of the neck, immediately below the skull.

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Cladistics

Cladistics is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry.

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Cladogram

A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms.

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Dragon

A dragon is a magical legendary creature that appears in the folklore of multiple cultures worldwide.

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Early Jurassic

The Early Jurassic Epoch (in chronostratigraphy corresponding to the Lower Jurassic Series) is the earliest of three epochs of the Jurassic Period.

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England

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

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Eoplesiosaurus

Eoplesiosaurus is an extinct genus of basal plesiosauroid known from the Early Jurassic period (most likely earliest Hettangian stage) of the United Kingdom. Atychodracon and Eoplesiosaurus are early Jurassic plesiosaurs of Europe and sauropterygian genera.

See Atychodracon and Eoplesiosaurus

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. Atychodracon and Eurycleidus are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Eurycleidus

Extinction

Extinction is the termination of a taxon by the death of its last member.

See Atychodracon and Extinction

Femur

The femur (femurs or femora), or thigh bone is the only bone in the thigh.

See Atychodracon and Femur

Fibula

The fibula (fibulae or fibulas) or calf bone is a leg bone on the lateral side of the tibia, to which it is connected above and below.

See Atychodracon and Fibula

Forelimb

A forelimb or front limb is one of the paired articulated appendages (limbs) attached on the cranial (anterior) end of a terrestrial tetrapod vertebrate's torso.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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Greek language

Greek (Elliniká,; Hellēnikḗ) is an independent branch of the Indo-European family of languages, native to Greece, Cyprus, Italy (in Calabria and Salento), southern Albania, and other regions of the Balkans, the Black Sea coast, Asia Minor, and the Eastern Mediterranean.

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Harry Seeley

Harry Govier Seeley (18 February 1839 – 8 January 1909) was a British paleontologist.

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Hettangian

The Hettangian is the earliest age and lowest stage of the Jurassic Period of the geologic timescale.

See Atychodracon and Hettangian

Holotype

A holotype is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described.

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Humerus

The humerus (humeri) is a long bone in the arm that runs from the shoulder to the elbow.

See Atychodracon and Humerus

International Code of Zoological Nomenclature

The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals.

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Jaw

The jaws are a pair of opposable articulated structures at the entrance of the mouth, typically used for grasping and manipulating food.

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Late Triassic

The Late Triassic is the third and final epoch of the Triassic Period in the geologic time scale, spanning the time between Ma and Ma (million years ago).

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Leicester

Leicester is a city, unitary authority area, unparished area and the county town of Leicestershire in the East Midlands of England.

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Leicester Museum & Art Gallery

The Leicester Museum & Art Gallery (until 2020, New Walk Museum and Art Gallery) is a museum on New Walk in Leicester, England, not far from the city centre.

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Leicestershire

Leicestershire is a ceremonial county in the East Midlands of England.

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Macroplata

Macroplata (meaning "big plate") is an extinct genus of Early Jurassic rhomaleosaurid plesiosaur which grew up to in length. Atychodracon and Macroplata are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Macroplata

Mandible

In jawed vertebrates, the mandible (from the Latin mandibula, 'for chewing'), lower jaw, or jawbone is a bone that makes up the lowerand typically more mobilecomponent of the mouth (the upper jaw being known as the maxilla).

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Mandibular symphysis

In human anatomy, the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis (Latin: symphysis menti) or line of junction where the two lateral halves of the mandible typically fuse in the first year of life (6–9 months after birth).

See Atychodracon and Mandibular symphysis

Marcasite

The mineral marcasite, sometimes called "white iron pyrite", is iron sulfide (FeS2) with orthorhombic crystal structure.

See Atychodracon and Marcasite

Maresaurus

Maresaurus is an extinct genus of plesiosaur from the Middle Jurassic (Bajocian) Los Molles Formation of Argentina. Atychodracon and Maresaurus are rhomaleosaurids and sauropterygian genera.

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Mesozoic

The Mesozoic Era is the penultimate era of Earth's geological history, lasting from about, comprising the Triassic, Jurassic and Cretaceous Periods.

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Meyerasaurus

Meyerasaurus is an extinct genus of rhomaleosaurid plesiosaur known from the Early Jurassic of Holzmaden, Baden-Württemberg in southwestern Germany. Atychodracon and Meyerasaurus are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Meyerasaurus

Million years ago

Million years ago, abbreviated as Mya, Myr (megayear) or Ma (megaannum), is a unit of time equal to (i.e. years), or approximately 31.6 teraseconds.

See Atychodracon and Million years ago

Morphology (biology)

Morphology in biology is the study of the form and structure of organisms and their specific structural features.

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National Museum of Ireland

The National Museum of Ireland (Ard-Mhúsaem na hÉireann) is Ireland's leading museum institution, with a strong emphasis on national and some international archaeology, Irish history, Irish art, culture, and natural history.

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Natural History Museum, London

The Natural History Museum in London is a museum that exhibits a vast range of specimens from various segments of natural history.

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Nomen dubium

In binomial nomenclature, a nomen dubium (Latin for "doubtful name", plural nomina dubia) is a scientific name that is of unknown or doubtful application.

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Nostril

A nostril (or naris,: nares) is either of the two orifices of the nose.

See Atychodracon and Nostril

Palatine bone

In anatomy, the palatine bones (derived from the Latin palatum) are two irregular bones of the facial skeleton in many animal species, located above the uvula in the throat.

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Phylogenetics

In biology, phylogenetics is the study of the evolutionary history and relationships among or within groups of organisms.

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Plesiosaur

The Plesiosauria (Greek: πλησίος, plesios, meaning "near to" and ''sauros'', meaning "lizard") or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia.

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Plesiosauroidea

Plesiosauroidea (Greek: πλησιος 'near, close to' and σαυρος 'lizard') is an extinct clade of carnivorous marine reptiles.

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Plesiosaurus

Plesiosaurus (Greek: πλησίος (plesios), near to + σαῦρος (sauros), lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the Early Jurassic. Atychodracon and Plesiosaurus are early Jurassic plesiosaurs of Europe and sauropterygian genera.

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Pliosauridae

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

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Pliosauroidea

Pliosauroidea is an extinct clade of plesiosaurs, known from the earliest Jurassic to early Late Cretaceous.

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Premaxilla

The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing teeth.

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Radius (bone)

The radius or radial bone (radii or radiuses) is one of the two large bones of the forearm, the other being the ulna.

See Atychodracon and Radius (bone)

Rhaetian

The Rhaetian is the latest age of the Triassic Period (in geochronology) or the uppermost stage of the Triassic System (in chronostratigraphy).

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Rhomaleosauridae

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

See Atychodracon and Rhomaleosauridae

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. Atychodracon and Rhomaleosaurus are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Rhomaleosaurus

Rib

In vertebrate anatomy, ribs (costae) are the long curved bones which form the rib cage, part of the axial skeleton.

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Richard Lydekker

Richard Lydekker (25 July 1849 – 16 April 1915) was an English naturalist, geologist and writer of numerous books on natural history.

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Samuel Stutchbury

Samuel Stutchbury (15 January 1798 – 12 February 1859) was an English naturalist and geologist.

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Sinemurian

In the geologic timescale, the Sinemurian is an age and stage in the Early or Lower Jurassic Epoch or Series.

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Sister group

In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree.

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Skeleton

A skeleton is the structural frame that supports the body of most animals.

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Skull

The skull is a bone protective cavity for the brain.

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Specific name (zoology)

In zoological nomenclature, the specific name (also specific epithet, species epithet, or epitheton) is the second part (the second name) within the scientific name of a species (a binomen).

See Atychodracon and Specific name (zoology)

Splenial

The splenial is a small bone in the lower jaw of reptiles, amphibians and birds, usually located on the lingual side (closest to the tongue) between the angular and surangular.

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Sthenarosaurus

Sthenarosaurus (meaning "strong lizard") is an extinct genus of rhomaleosaurid pliosauroid discovered in the Toarcian-aged 'Main Alum Shale' (Commune subzone of Bifrons zone)Sepkoski, Jack in Whitby, England. Atychodracon and Sthenarosaurus are early Jurassic plesiosaurs of Europe and sauropterygian genera.

See Atychodracon and Sthenarosaurus

Stratesaurus

Stratesaurus is an extinct genus of small-bodied rhomaleosaurid plesiosaur known from the Early Jurassic period (most likely earliest Hettangian stage) of the United Kingdom. Atychodracon and Stratesaurus are early Jurassic plesiosaurs of Europe, rhomaleosaurids and sauropterygian genera.

See Atychodracon and Stratesaurus

Street, Somerset

Street is a large village and civil parish in Somerset, England, with a population of 12,709 in 2021.

See Atychodracon and Street, Somerset

Tibia

The tibia (tibiae or tibias), also known as the shinbone or shankbone, is the larger, stronger, and anterior (frontal) of the two bones in the leg below the knee in vertebrates (the other being the fibula, behind and to the outside of the tibia); it connects the knee with the ankle.

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Type (biology)

In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated.

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Type species

In zoological nomenclature, a type species (species typica) is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen (or specimens).

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References

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

Also known as Atychodracon megacephalus, Barrow Kipper, Eurycleidus megacephalus, Plesiosaurus megacephalus, Rhomaleosaurus megacephalus.

, Plesiosauroidea, Plesiosaurus, Pliosauridae, Pliosauroidea, Premaxilla, Radius (bone), Rhaetian, Rhomaleosauridae, Rhomaleosaurus, Rib, Richard Lydekker, Samuel Stutchbury, Sinemurian, Sister group, Skeleton, Skull, Specific name (zoology), Splenial, Sthenarosaurus, Stratesaurus, Street, Somerset, Tibia, Type (biology), Type species, Ulna, Vertebra, Wastebasket taxon, Wilmcote, World War II, 1846 in paleontology.

Atychodracon, the Glossary

Table of Contents

See also

Early Jurassic plesiosaurs of Europe

Hettangian life

Rhaetian life

Rhomaleosaurids

Triassic England

Triassic plesiosaurs

References