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Triops

Infotaula d'ésser viuTriops Modifica el valor a Wikidata

Triops longicaudatus
Taxonomia
Super-regneHolozoa
RegneAnimalia
FílumArthropoda
SubfílumCrustacea
ClasseBranchiopoda
SubclassePhyllopoda
OrdreNotostraca
FamíliaTriopsidae
GènereTriops Modifica el valor a Wikidata
Schrank, 1803

Triops és un gènere de crustacis notostracis de la família Triopsidae. Es consideren fòssils vivents, ja que s'han trobat fòssils atribuïbles a aquest gènere en roques del Carbonífer, fa aproximadament 300 milions d'anys,[1] i una espècie actual, Triops cancriformis, pràcticament no ha canviat des del període Juràssic (fa aproximadament 180 milions d’anys).[2]

Els triops mesuren uns pocs centímetres i porten una closca protectora en forma d'escut. El seu cicle vital és d'uns 70 dies. Per sobreviure a l'estació seca, els petits ous romanen dins del fang i no es desclouen fins que tornen les primeres pluges (diapausa).

Taxonomia

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Es coneixen 13 espècies de Triops:[3]

  • Triops australiensis (Spencer and Hall, 1896)
  • Triops baeticus Korn, 2010
  • Triops cancriformis (Bosc, 1801)
  • Triops emeritensis Korn and Pérez-Bote, 2010
  • Triops gadensis Korn and García-de-Lomas, 2010
  • Triops granarius (Lucas, 1864)
  • Triops longicaudatus (LeConte, 1846)
  • Triops mauritanicus Ghigi, 1921
  • Triops maximus Korn, 2016
  • Triops multifidus Korn, 2016
  • Triops newberryi (Packard, 1871)
  • Triops simplex Ghigi, 1921
  • Triops vicentinus Kor et al., 2010

Referències

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  1. «What are Triops? Introduction to Tadpole Shrimps» (en anglès americà). [Consulta: 23 agost 2021].
  2. David A. Grimaldi & Michael S. Engel (2005). "Arthropods and the Origin of Insects". Evolution of the insects. Volume 1 of Cambridge Evolution Series. Cambridge University Press. pp. 93–118. ISBN 978-0-521-82149-0.
  3. «ITIS Standard Report Page: Triops». [Consulta: 23 agost 2021].

Enllaços externs

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Triops
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