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Parvulastra

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The genus shows an unusual reproductive mode within Asterinidae: Parvulastra parvivipara and Parvulastra vivipara are viviparous. Prior to their description as distinct species, they were considered variants of Parvulastra exigua, which has free-living (but non-feeding) larvae.

Species

There are five species:

  • Parvulastra calcarata (Perrier, 1869)
  • Parvulastra dyscrita (H.L. Clark, 1923)
  • Parvulastra exigua (Lamarck, 1816)
  • Parvulastra parvivipara (Keough & Dartnall, 1978)
  • Parvulastra vivipara (Dartnall, 1969)

More in Animals

Monotypic taxonTaxonomic group with only one subordinate taxonSpecies descriptionFormal description of a discovered speciesParaphylyType of taxonomic groupIUCN Red ListInventory of the global conservation status of biological speciesSubtropicsGeographic and climate zoneCommon nameName generally used for a taxon, group of taxa or organism(s)