Plagiuri is an early (now disused) biological subclassification of fish (for example in Peter Artedi's Ichthyologia, and in early editions of Linnaeus's Systema Naturae). The term was invented by Artedi,[1][2] and is derived from the Greek πλαγιος (plagios; transverse) and ουρα (oura; tail).[3] The Pisces Plagiuri included those animals then classed as fish whose tails' flat surfaces faced anatomically up and down and not sideways.[3] Its members have now been shown to be mammals (including the whales and manatees).[2]

References

  1. ^ Artedi, P. (1738). Ichthyologia: Phylosophia Ichthyologica: 53(152)
  2. ^ a b Romero, A. & Keith, E.O. (2012). New approaches to the study of marine mammals: 24
  3. ^ a b Rees, A. (1819). The Cyclopaedia; or Universal Dictionary of Arts, Sciences, and Literature, vol. 27: PLA
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