Parvulastra is a genus of starfish belonging to the family Asterinidae.[2][3] The species of this genus are found in Southern Hemisphere.[1][3]
| Parvulastra | |
|---|---|
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| Parvulastra exigua | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Valvatida |
| Family: | Asterinidae |
| Genus: | Parvulastra O'Loughlin, 2004[1] |
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.[4]
Species
edit- Parvulastra calcarata (Perrier, 1869)
- Parvulastra dyscrita (H.L. Clark, 1923)
- Parvulastra exigua (Lamarck, 1816)
- Parvulastra parvivipara (Keough & Dartnall, 1978)
- Parvulastra vivipara (Dartnall, 1969)
References
edit- ^ a b O'Loughlin, P. Mark; Waters, Jonathan M. (2004). "A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)". Memoirs of Museum Victoria. 61 (1): 1–40. doi:10.24199/j.mmv.2004.61.1.
- ^ a b Mah CL, ed. (2022). "Parvulastra O'Loughlin in O'Loughlin & Waters, 2004". World Asteroidea database. World Register of Marine Species. Retrieved 15 May 2022.
- ^ a b c "Parvulastra O'Loughlin, 2004". GBIF. Retrieved 30 September 2021.
- ^ Byrne, M. (1996). "Viviparity and intragonadal cannibalism in the diminutive sea stars Patiriella vivipara and P. parvivipara (family Asterinidae)". Marine Biology. 125 (3): 551–567. doi:10.1007/BF00353268. S2CID 83110156.
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