Nigersaurus & Sauropoda - Unionpedia, the concept map

Antarctosaurus

Antarctosaurus (meaning "southern lizard") is a genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of what is now South America.

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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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Brazil

Brazil, officially the Federative Republic of Brazil, is the largest and easternmost country in South America and Latin America.

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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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Clade

In biological phylogenetics, a clade, also known as a monophyletic group or natural group, is a grouping of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree.

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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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Dicraeosauridae

Dicraeosauridae is a family of diplodocoid sauropods who are the sister group to Diplodocidae.

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Dicraeosaurus

Dicraeosaurus (Gr. δικραιος, dikraios "bifurcated, double-headed" + Gr. σαυρος, sauros "lizard") is a genus of diplodocoid sauropod dinosaur that lived in what is now Lindi Region, Tanzania during the late Jurassic period.

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Diplodocidae

Diplodocids, or members of the family Diplodocidae ("double beams"), are a group of sauropod dinosaurs.

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Diplodocoidea

Diplodocoidea is a superfamily of sauropod dinosaurs, which included some of the longest animals of all time, including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias.

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Diplodocus

Diplodocus was a genus of diplodocid sauropod dinosaurs, whose fossils were first discovered in 1877 by S. W. Williston.

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Elephant

Elephants are the largest living land animals.

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Femur

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

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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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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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Jobaria

Jobaria is a genus of sauropod dinosaur that lived in what is now Niger during the middle Jurassic Period, between 164 and 161 million years ago.

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Limaysaurus

Limaysaurus ("Limay lizard") is a genus represented by a single species of rebbachisaurid sauropod dinosaurs, which lived during the mid-Cretaceous period, about 99.6 to 97 million years ago, in the Cenomanian, in what is now South America (northwestern Patagonia).

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Maraapunisaurus

Maraapunisaurus is a genus of sauropod dinosaur from the Late Jurassic Morrison Formation of western North America.

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Pterosaur

Pterosaurs (from Greek pteron and sauros, meaning "wing lizard") are an extinct clade of flying reptiles in the order Pterosauria.

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Quadrupedalism

Quadrupedalism is a form of locomotion where animals have four legs are used to bear weight and move around.

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Rebbachisauridae

Rebbachisauridae is a family of sauropod dinosaurs known from fragmentary fossil remains from the Cretaceous of South America, Africa, North America, Europe and possibly Central Asia.

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Skeletal pneumaticity

Skeletal pneumaticity is the presence of air spaces within bones.

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Tetrapod

A tetrapod is any four-limbed vertebrate animal of the superclass Tetrapoda.

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Theropoda

Theropoda (from ancient Greek whose members are known as theropods, is a dinosaur clade that is characterized by hollow bones and three toes and claws on each limb. Theropods are generally classed as a group of saurischian dinosaurs. They were ancestrally carnivorous, although a number of theropod groups evolved to become herbivores and omnivores. Theropods first appeared during the Carnian age of the late Triassic period 231.4 million years ago (Ma) and included the majority of large terrestrial carnivores from the Early Jurassic until at least the close of the Cretaceous, about 66 Ma. In the Jurassic, birds evolved from small specialized coelurosaurian theropods, and are today represented by about 11,000 living species.

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Titanosauria

Titanosaurs (or titanosaurians; members of the group Titanosauria) were a diverse group of sauropod dinosaurs, including genera from all seven continents.

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Vertebra

Each vertebra (vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates.

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