In the history of the Linnaean classification system, many taxa (e.g. species, genera, families, and higher taxonomic ranks) have become defunct or obsolete, and are no longer used.
Kingdoms
Taxon Classification(s) used Contents Kingdom Bionta Walton (1930)
Animals Taxon Classification(s) used Contents Class Vermes Linnaeus Worms Order Agriae Linnaeus (1748)Linnaeus, C. 1748. Systema naturae sistens regna tria naturae, in classes et ordines genera et species, redacta tabulisque aeneis illustrata. Lipsiae: Kiesewetter. Anteaters and pangolins Order Anthropomorpha Linnaeus (1740,Linnaeus, C. 1740. Systema Naturae in quo Naturae Regna tria, secundum. Classes, Ordines, Genera, Species, systematice proponuntur. Stockholm: Kiesewetter. 1748) 1740: Primates, anteaters, and sloths 1748: Primates and sloths Order Belluae Linnaeus (1758, 1766) 1758: Horses and hippopotamuses 1766: as above plus pigs, and rhinoceroses Order Bestiae Linnaeus (1758) Pigs, armadillos, hedgehogs, moles, shrews, and opossums Order Bruta Linnaeus (1758,Linnaeus, C. 1758. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Vol. 1: Regnum animale. Editio decima, reformata. Stockholm: Laurentii Salvii. 1766)Linnaeus, C. 1766. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Vol. 1: Regnum animale. Editio decima, reformata. Stockholm: Laurentii Salvii. 1758: Elephants, manatees, sloths, anteaters, pangolins 1766: as above plus armadillos Suborder Gravigrada Order Insectivora Several Hedgehog, shrews, moles, tenrecs, golden moles, otter shrews, solenodons, and sometimes elephant-shrews, treeshrews, and colugos Order Jumenta Linnaeus (1740, 1748) 1740: Shrews, horses, elephants, hippopotamuses, and pigs 1748: as above plus rhinoceroses Order Lipotyphla Order and/or Suborder Pachydermata Perissodactyls, elephants, hippopotamuses, peccaries, pigs, and sometimes camels Order Quaternates Blainville (1839) Gravigrada, Pachydermata and Ruminantia Order Secundates Blainville (1839) Chiroptera, Insectivora and Carnivora Order Tertiates Blainville (1839) GliresSuperorder ArchontaPrimates, Bats, Colugos, Treeshrews, and sometimes Elephant shrews Genus Simia Apes (but not humans) and monkeys Genus Tylognathus Heckel A variety of freshwater ray finned fish Genus Brochis Cope Three Catfish in the family CallichthyidaeGenus AponommaLahilleA group of hard-bodied ticks
Protists Taxon Classification(s) used Contents Phylum Sarcodina Rhizopoda Proteomyxa
References