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Bidentalia, the Glossary

Bidentalia is a group of dicynodont therapsids.^[1]

Andrew Geddes Bain

Andrew Geddes Bain (baptised 11 June 1797 – 20 October 1864), was a Cape Colony geologist, road engineer, palaeontologist and explorer.

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Aulacephalodon ("furrow-head tooth") is an extinct genus of medium-sized dicynodonts, or non-mammalian synapsids, that lived during late Permian period. Bidentalia and Aulacephalodon are Bidentalians.

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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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Cistecephalidae

Cistecephalidae is an extinct family of dicynodont therapsids from the Late Permian of South Africa, India and Zambia.

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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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Cryptodontia

Cryptodontia is a group of dicynodont therapsids that includes the families Geikiidae, Oudenodontidae, and Rhachiocephalidae. Bidentalia and Cryptodontia are Guadalupian first appearances.

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Dicynodon

Dicynodon ("two dog-teeth") is a genus of dicynodont therapsid that flourished during the Upper Permian period. Bidentalia and dicynodon are Bidentalians.

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Dicynodontia

Dicynodontia is an extinct clade of anomodonts, an extinct type of non-mammalian therapsid. Bidentalia and Dicynodontia are Guadalupian first appearances.

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Dicynodontoidea

Dicynodontoidea is an infraorder of dicynodont therapsids that includes the famous dicynodont Dicynodon, Lystrosaurus and the Triassic Kannemeyeriiformes, as well as numerous other closely related species. Bidentalia and Dicynodontoidea are Bidentalians.

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Dinodontosaurus

Dinodontosaurus (meaning "terrible-toothed lizard") is a genus of dicynodont therapsid.

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Elph (therapsid)

Elph (an arbitrary combination of letters) is an extinct genus of dicynodont therapsids from Russia. Bidentalia and Elph (therapsid) are Bidentalians.

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Emydopidae

Emydopidae is a family of dicynodont therapsids.

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Emydopoidea

Emydopoidea is a group of Late Permian dicynodont therapsids.

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Emydops

Emydops is an extinct genus of dicynodont therapsids from the Middle Permian to Late Permian of what is now South Africa.

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Endothiodontia

Endothiodontia is a clade of dicynodont therapsids that includes the family Endothiodontidae and possibly the family Eumantellidae.

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Eodicynodon

Eodicynodon (eo-, early or primitive, dicynodont) is an extinct genus of dicynodont therapsids, a highly diverse group of herbivorous synapsids that were widespread during the middle-late Permian and early Triassic.

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Geikiidae

Geikiidae is a family of Late Permian dicynodonts. Bidentalia and Geikiidae are Bidentalians.

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Guadalupian

The Guadalupian is the second and middle series/epoch of the Permian.

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Kannemeyeriiformes

Kannemeyeriiformes is a group of large-bodied Triassic dicynodonts. Bidentalia and Kannemeyeriiformes are Bidentalians.

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Kingoriidae

Kingoriidae is an extinct family of dicynodont therapsids.

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Lopingian

The Lopingian is the uppermost series/last epoch of the Permian.

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Lystrosauridae

Lystrosauridae is a family of dicynodont therapsids from the Permian and Triassic time periods. Bidentalia and Lystrosauridae are Bidentalians.

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Lystrosaurus

Lystrosaurus ('shovel lizard'; proper Greek is lístron ‘tool for leveling or smoothing, shovel, spade, hoe’) is an extinct genus of herbivorous dicynodont therapsids from the late Permian and Early Triassic epochs (around 250 million years ago).

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Myosauridae

Myosauridae is a family of dicynodont therapsids.

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Norian

The Norian is a division of the Triassic Period.

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Permian

The Permian is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya.

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Phylogenetic nomenclature

Phylogenetic nomenclature is a method of nomenclature for taxa in biology that uses phylogenetic definitions for taxon names as explained below.

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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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Pristerodon

Pristerodon is an extinct genus of dicynodont therapsid from the Late Permian of South Africa, Zambia and India.

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Pylaecephalidae

Pylaecephalidae is a family of dicynodont therapsids that includes Diictodon, Robertia, and Prosictodon from the Permian of South Africa.

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Rastodon

Rastodon is an extinct genus of dicynodont.

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Rhachiocephalidae

Rhachiocephalidae is an extinct family of dicynodont therapsids. Bidentalia and Rhachiocephalidae are Bidentalians.

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Richard Owen

Sir Richard Owen (20 July 1804 – 18 December 1892) was an English biologist, comparative anatomist and palaeontologist.

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Shansiodontidae

Shansiodontidae is a family of dicynodont therapsids.

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Stahleckeriidae

Stahleckeriidae is a family of dicynodont therapsids whose fossils are known from the Triassic of North America, South America, Asia and Africa.

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Synapsida

Synapsida is one of the two major clades of vertebrate animals in the group Amniota, the other being the Sauropsida (which includes reptiles and birds).

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