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In botany, the ranks of subclass and suborder are secondary ranks pre-defined as respectively above and below the rank of order. [7] Any number of further ranks can be used as long as they are clearly defined. [7] The superorder rank is commonly used, with the ending -anae that was initiated by Armen Takhtajan's publications from 1966 onwards. [8]
"Subfamily" is substituted for "suborder" (subordo) under certain conditions where the modern meaning of "suborder" was not intended. (Article 19.2) In a publication prior to 1 January 1890, if only one infraspecific rank is used, it is considered to be that of variety.
This is an overview of the suborder Serpentes, its two infraorders (subdivisions) and the families they contain. This is the group of reptiles commonly known as snakes.
Toggle Suborder Glossata subsection. 5.1 Infraorder Dacnonypha. 5.2 Clade Coelolepida, encompassing all remaining groups. 5.3 Infraorder Acanthoctesia.
Dinosaur classification began in 1842 when Sir Richard Owen placed Iguanodon, Megalosaurus, and Hylaeosaurus in "a distinct tribe or suborder of Saurian Reptiles, for which I would propose the name of Dinosauria." [1] In 1887 and 1888 Harry Seeley divided dinosaurs into the two orders Saurischia and Ornithischia, based on their hip structure. [2]
Passerida is, under the Sibley-Ahlquist taxonomy, one of two parvorders contained within the suborder Passeri (standard taxonomic practice would place them at the rank of infraorder). While more recent research suggests that its sister parvorder, Corvida, is not a monophyletic grouping, the Passerida as a distinct clade are widely accepted.
Generally accepted members of this infraorder include the living tarsiers, [1] the extinct omomyids, two extinct fossil genera, and two extinct fossil species within the genus Tarsius. [3] As haplorhines, they are more closely related to monkeys and apes than to the strepsirrhine primates, which include lemurs, galagos, and lorises. Order Primates
Human taxonomy is the classification of the human species within zoological taxonomy. The systematic genus, Homo, is designed to include both anatomically modern humans and extinct varieties of archaic humans.