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Eleutherozoa

Eleutherozoa

Taxonomía
Dominio: Eukarya
Reino: Animalia
Filo: Echinodermata
Subfilo: Eleutherozoa
Clases

Los eleuterozoos (Eleutherozoa, del griego "animales libres") son un subfilo del filo Equinodermos que se caracteriza porque sus organismos son de vida libre, a diferencia de los pelmatozoos que viven fijos al sustrato. Está formado por las siguientes clases:[cita requerida]

  • Concentricicloideos (Concentricycloidea), al que pertenecen las margaritas de mar, cuenta con 2 especies
  • Holoturoideos (Holothuroidea), al que pertenecen los pepinos de mar, con 900 especies
  • Equinoideos (Echinoidea), erizos de mar, con 850 especies
  • Asteroideos (Asteroidea), estrellas de mar, con 1.500 especies
  • Ofiuroideos (Ophiuroidea), ofiuras, con 2.000 especies.

Enlaces externos

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Eleutherozoa
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