Plagiuri is an early (now disused) biological subclassification of fish (for example in
Peter Artedi
Peter Artedi or Petrus Arctaedius (27 February 170528 September 1735) was a Swedish naturalist and collaborator of Carolus Linnaeus. He is sometimes known as the "father of ichthyology" for his pioneering work in classifying the fishes into gro ...
's ''Ichthyologia'', and in early editions of
Linnaeus
Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...
's ''
Systema Naturae
' (originally in Latin written ' with the Orthographic ligature, ligature æ) is one of the major works of the Sweden, Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy. Although the syste ...
''). The term was invented by Artedi,
[Artedi, P. (1738)]
''Ichthyologia: Phylosophia Ichthyologica'': 53(152)
/ref>[Romero, A. & Keith, E.O. (2012)]
''New approaches to the study of marine mammals'': 24
/ref> and is derived from the Greek (plagios; ''transverse'') and (oura; ''tail'').[ Rees, A. (1819)]
''The Cyclopaedia; or Universal Dictionary of Arts, Sciences, and Literature'', vol. 27: PLA
/ref> The ''Pisces Plagiuri'' included those animals then classed as fish whose tails' flat surfaces faced anatomically up and down and not sideways. Its members have now been shown to be mammals (including the whales
Whales are a widely distributed and diverse group of fully Aquatic animal, aquatic placental mammal, placental marine mammals. As an informal and Colloquialism, colloquial grouping, they correspond to large members of the infraorder Cetacea ...
and manatee
Manatees (, family (biology), family Trichechidae, genus ''Trichechus'') are large, fully aquatic, mostly herbivory, herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing t ...
s).
References
{{Reflist
Obsolete vertebrate taxa