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Jormungandr walhallaensis, the Glossary

Jormungandr is an extinct genus of mosasaurid squamates from the early Campanian Pierre Shale of North Dakota, United States.^[1]

74 relations: American Museum of Natural History, Anguimorpha, Ars Technica, Basal (phylogenetics), Bentonite, Binomial nomenclature, Brodavis, Campanian, Cervical vertebrae, Chondrichthyes, Clidastes, Cretaceous, Dallasaurus, Dolichorhynchops, Elasmosaurus, Eremiasaurus, Fossil preparation, Genus, Globidens, Gnathomortis, Hesperornis, Holotype, Ichthyornis, Implied weighting, Jörmungandr, Joint, Late Cretaceous, Latinisation of names, Latoplatecarpus, Maximum parsimony (phylogenetics), Mosasaur, Mosasaurinae, Mosasaurus, Nasal concha, Neontology, Neurocranium, Norse mythology, North Dakota, North Dakota Heritage Center, Osteichthyes, Outgroup (cladistics), Paleoart, Paleontology, Parietal bone, Phylogenetic tree, Phylogenetics, Pierre Shale, Platecarpus, Plesiosaur, Plesiotylosaurus, ... Expand index (24 more) »
Mosasaurines
Mosasaurs of North America

American Museum of Natural History

The American Museum of Natural History (AMNH) is a natural history museum on the Upper West Side of Manhattan in New York City.

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Anguimorpha

The Anguimorpha is a suborder of squamates.

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Ars Technica

Ars Technica is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.

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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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Bentonite

Bentonite is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.

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In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.

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Brodavis

Brodavis is a genus of freshwater hesperornithiform birds known from the Late Cretaceous (possibly Campanian and Maastrichtian stage) of North America and Asia.

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Campanian

The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS).

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Cervical vertebrae

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

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Chondrichthyes

Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage.

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Clidastes

Clidastes is an extinct genus of marine lizard belonging to the mosasaur family. Jormungandr walhallaensis and Clidastes are Mosasaurines and mosasaurs of North America.

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Cretaceous

The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya).

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Dallasaurus

Dallasaurus ("Dallas lizard") is a basal mosasauroid from the Upper Cretaceous of North America. Jormungandr walhallaensis and Dallasaurus are Mosasaurines and mosasaurs of North America.

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Dolichorhynchops

Dolichorhynchops is an extinct genus of polycotylid plesiosaur from the Late Cretaceous of North America, containing the species D. osborni and D. herschelensis, with two previous species having been assigned to new genera.

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Elasmosaurus

Elasmosaurus is a genus of plesiosaur that lived in North America during the Campanian stage of the Late Cretaceous period, about 80.5million years ago.

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Eremiasaurus

Eremiasaurus ("desert lizard") is a genus of mosasaurs, an extinct group of marine reptiles. Jormungandr walhallaensis and Eremiasaurus are Mosasaurines.

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Fossil preparation

Fossil preparation is a complex of tasks that can include excavating, revealing, conserving, and replicating the ancient remains and traces of organisms.

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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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Globidens

Globidens ("Globe teeth") is an extinct genus of mosasaurid oceanic lizard classified as part of the Globidensini tribe in the Mosasaurinae subfamily. Jormungandr walhallaensis and Globidens are Mosasaurines and mosasaurs of North America.

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Gnathomortis

Gnathomortis (meaning "jaws of death") is an extinct genus of marine lizard belonging to the mosasaur family. Jormungandr walhallaensis and Gnathomortis are Mosasaurines and mosasaurs of North America.

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Hesperornis

Hesperornis (meaning "western bird") is a genus of cormorant-like Ornithuran that spanned throughout the Campanian age, and possibly even up to the early Maastrichtian age, of the Late Cretaceous period.

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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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Ichthyornis

Ichthyornis (meaning "fish bird", after its fish-like vertebrae) is an extinct genus of toothy seabird-like ornithuran from the late Cretaceous period of North America.

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Implied weighting

Implied weighting describes a group of methods used in phylogenetic analysis to assign the greatest importance to characters that are most likely to be homologous.

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Jörmungandr

In Norse mythology, Jörmungandr (lit, see Etymology), also known as the Midgard Serpent or World Serpent (Miðgarðsormr), is an unfathomably large sea serpent or worm who dwells in the world sea, encircling the Earth (Midgard) and biting his own tail, an example of an ouroboros.

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Joint

A joint or articulation (or articular surface) is the connection made between bones, ossicles, or other hard structures in the body which link an animal's skeletal system into a functional whole.

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Late Cretaceous

The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale.

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Latinisation of names

Latinisation (or Latinization) of names, also known as onomastic Latinisation, is the practice of rendering a non-Latin name in a modern Latin style.

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Latoplatecarpus

Latoplatecarpus is an extinct genus of plioplatecarpine mosasaur known from the Late Cretaceous (early middle Campanian stage) of the northern Gulf of Mexico and the Western Interior Basin of North America. Jormungandr walhallaensis and Latoplatecarpus are mosasaurs of North America.

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Maximum parsimony (phylogenetics)

In phylogenetics and computational phylogenetics, maximum parsimony is an optimality criterion under which the phylogenetic tree that minimizes the total number of character-state changes (or minimizes the cost of differentially weighted character-state changes).

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Mosasaur

Mosasaurs (from Latin Mosa meaning the 'Meuse', and Greek σαύρος sauros meaning 'lizard') are an extinct group of large aquatic reptiles within the family Mosasauridae that lived during the Late Cretaceous.

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Mosasaurinae

The Mosasaurinae are a subfamily of mosasaurs, a diverse group of Late Cretaceous marine squamates.

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Mosasaurus

Mosasaurus ("lizard of the Meuse River") is the type genus (defining example) of the mosasaurs, an extinct group of aquatic squamate reptiles. Jormungandr walhallaensis and Mosasaurus are Mosasaurines and mosasaurs of North America.

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Nasal concha

In anatomy, a nasal concha (conchae;; Latin for 'shell'), also called a nasal turbinate or turbinal, is a long, narrow, curled shelf of bone that protrudes into the breathing passage of the nose in humans and various other animals.

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Neontology

Neontology is a part of biology that, in contrast to paleontology, deals with living (or, more generally, recent) organisms.

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Neurocranium

In human anatomy, the neurocranium, also known as the braincase, brainpan, or brain-pan, is the upper and back part of the skull, which forms a protective case around the brain.

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Norse mythology

Norse, Nordic, or Scandinavian mythology, is the body of myths belonging to the North Germanic peoples, stemming from Old Norse religion and continuing after the Christianization of Scandinavia, and into the Nordic folklore of the modern period.

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North Dakota

North Dakota is a landlocked U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux.

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North Dakota Heritage Center

The North Dakota Heritage Center & State Museum, located on the North Dakota State Capitol grounds in Bismarck, is the state of North Dakota's official history museum.

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Osteichthyes

Osteichthyes, also known as osteichthyans or commonly referred to as the bony fish, is a diverse superclass of vertebrate animals that have endoskeletons primarily composed of bone tissue.

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Outgroup (cladistics)

In cladistics or phylogenetics, an outgroup is a more distantly related group of organisms that serves as a reference group when determining the evolutionary relationships of the ingroup, the set of organisms under study, and is distinct from sociological outgroups.

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Paleoart

Paleoart (also spelled palaeoart, paleo-art, or paleo art) is any original artistic work that attempts to depict prehistoric life according to scientific evidence.

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Paleontology

Paleontology, also spelled palaeontology or palæontology, is the scientific study of life that existed prior to the start of the Holocene epoch (roughly 11,700 years before present).

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Parietal bone

The parietal bones are two bones in the skull which, when joined at a fibrous joint known as a cranial suture, form the sides and roof of the neurocranium.

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Phylogenetic tree

A phylogenetic tree, phylogeny or evolutionary tree is a graphical representation which shows the evolutionary history between a set of species or taxa during a specific time.

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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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Pierre Shale

The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada to New Mexico.

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Platecarpus

Platecarpus ("flat wrist") is an extinct genus of aquatic lizards belonging to the mosasaur family, living around 84–81 million years ago during the middle Santonian to early Campanian, of the Late Cretaceous period. Jormungandr walhallaensis and Platecarpus are mosasaurs of North America.

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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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Plesiotylosaurus

Plesiotylosaurus, meaning "near Tylosaurus", is an extinct genus of marine lizard belonging to the mosasaur family. Jormungandr walhallaensis and Plesiotylosaurus are Mosasaurines and mosasaurs of North America.

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Plioplatecarpus

Plioplatecarpus is a genus of mosasaur lizard. Jormungandr walhallaensis and Plioplatecarpus are mosasaurs of North America.

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Plotosaurus

Plotosaurus ("swimmer lizard") is an extinct genus of mosasaurs who lived during the Upper Cretaceous (Maastrichtian) in what is now North America. Jormungandr walhallaensis and Plotosaurus are Mosasaurines and mosasaurs of North America.

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Pluridens

Pluridens ("many teeth") is an extinct genus of marine lizard belonging to the Mosasauridae.

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Prognathodon

Prognathodon is an extinct genus of marine lizard belonging to the mosasaur family. Jormungandr walhallaensis and Prognathodon are Mosasaurines and mosasaurs of North America.

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Protostega

Protostega ('first roof') is an extinct genus of sea turtle containing a single species, Protostega gigas.

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Quadrate bone

The quadrate bone is a skull bone in most tetrapods, including amphibians, sauropsids (reptiles, birds), and early synapsids.

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Recumbirostra

Recumbirostra is a clade of tetrapods which lived during the Carboniferous and Permian periods.

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Rib cage

The rib cage or thoracic cage is an endoskeletal enclosure in the thorax of most vertebrates that comprises the ribs, vertebral column and sternum, which protect the vital organs of the thoracic cavity, such as the heart, lungs and great vessels and support the shoulder girdle to form the core part of the axial skeleton.

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Scleral Ring

The scleral ring is a hardened ring of plates, often derived from bone, that is found in the eyes of many animals in several groups of vertebrates.

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Species

A species (species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction.

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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).

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Squamata

Squamata (Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes.

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Styxosaurus

Styxosaurus is a genus of plesiosaur of the family Elasmosauridae.

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The New York Times

The New York Times (NYT) is an American daily newspaper based in New York City.

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Thoracic vertebrae

In vertebrates, thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae.

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Toxochelys

Toxochelys is an extinct genus of marine turtle from the Late Cretaceous period.

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Trinacromerum

Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs.

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Tylosaurus

Tylosaurus ("knob lizard") is a genus of russellosaurine mosasaur (an extinct group of predatory marine lizards) that lived about 92 to 66 million years ago during the Turonian to Maastrichtian stages of the Late Cretaceous. Jormungandr walhallaensis and Tylosaurus are mosasaurs of North America.

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References

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

Also known as Jormungandr (genus), Jormungandr (mosasaur).

, Plioplatecarpus, Plotosaurus, Pluridens, Prognathodon, Protostega, Quadrate bone, Recumbirostra, Rib cage, Scleral Ring, Species, Specific name (zoology), Squamata, Styxosaurus, The New York Times, Thoracic vertebrae, Toxochelys, Trinacromerum, Tylosaurus, Uranium–lead dating, Valhalla, Walhalla, North Dakota, West Virginia, Xiphactinus, 2023 in reptile paleontology.

Jormungandr walhallaensis, the Glossary

Table of Contents

See also

Mosasaurines

Mosasaurs of North America

References