Quaternates
Encyclopedia
An obsolete order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 of Mammals created by Henri-Marie Ducrotay de Blainville in 1839, imitating Linnean
Linnean
Linnean is closely associated to the alternative spelling Linnaean, and can refer to any of the following all of which are related to the original system of scientific taxonomy of biological species or its author:-Linnaean:*Carolus Linnaeus...

 nomenclature (Primates). It included the suborders Gravigrada
Gravigrada
Gravigrada is the name of a suborder of Mammals established by the French naturalist Henri-Marie Ducrotay de Blainville in 1839, within the order Quaternates...

, Pachydermata
Pachydermata
Pachydermata is an obsolete order of mammals described by Gottlieb Storr, Georges Cuvier and others, at one time recognized by many systematists...

 and Ruminantia
Ruminantia
Ruminantia includes many of the well-known large grazing or browsing mammals: among them cattle, goats, sheep, deer, and antelope. All members of the Ruminantia are ruminants: they digest food in two steps, chewing and swallowing in the normal way to begin with, and then regurgitating the...

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