| Parvulastra dyscrita | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Valvatida |
| Family: | Asterinidae |
| Genus: | Parvulastra |
| Species: | P. dyscrita |
| Binomial name | |
| Parvulastra dyscrita (Clark, 1923) | |
| Synonyms [1] | |
| |
Parvulastra dyscrita is a species of starfish belonging to the family Asterinidae. [1] [2] The species is found in Southern Africa. [2]
The Ophidiasteridae are a family of sea stars with about 30 genera. Occurring both in the Indo-Pacific and Atlantic Oceans, ophidiasterids are greatest in diversity in the Indo-Pacific. Many of the genera in this family exhibit brilliant colors and patterns, which sometimes can be attributed to aposematism and crypsis to protect themselves from predators. Some ophidiasterids possess remarkable powers of regeneration, enabling them to either reproduce asexually or to survive serious damage made by predators or forces of nature. Some species belonging to Linckia, Ophidiaster and Phataria shed single arms that regenerate the disc and the remaining rays to form a complete individual. Some of these also reproduce asexually by parthenogenesis.
The Asterinidae are a large family of sea stars in the order Valvatida.
The Asteriidae are a diverse family of Asteroidea in the order Forcipulatida. It is one of three families in the order Forcipulatida.
Parvulastra exigua, or the dwarf cushion star is a species of sea star in the family Asterinidae. It can be found in temperate intertidal marine communities from geographically widespread sites around the southern hemisphere.
Ceramaster is a genus of cushion stars in the family Goniasteridae. The species in this genus have no arms. They live in deeper waters than most sea stars.
Henricia is a large genus of slender-armed sea stars belonging to the family Echinasteridae. It contains about fifty species.
Rissoina dyscrita is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae.
Psychropotes is a genus of sea cucumbers in the family Psychropotidae. The members of this genus possess the ability to swim, although this is only facultative.
The Oreasteridae are a family of sea stars in the class Asteroidea.
Clypeaster, common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.
Calliaster is a genus of starfish in the family Goniasteridae
Parvulastra parvivipara is a very small species of starfish in the family Asterinidae. It is a viviparous species and gives birth to live young. It lives in rock pools on intertidal granite rocks in a limited area of South Australia.
Ophiactis is a genus of brittle stars (Ophiuroidea).
Mediaster is a genus of starfish in the family Goniasteridae. It was circumscribed in 1857 by William Stimpson for M. aequalis, the genus's type species. Its junior synonym is the genus Isaster, which was circumscribed in 1894 by Addison Emery Verrill for the species now known as M. bairdi. Verrill himself synonymized the two genus names in 1899.
Caenopedina is a genus of sea urchins of the family Pedinidae.
Ophiura is a genus of echinoderms belonging to the family Ophiuridae.
Parvulastra is a genus of starfish belonging to the family Asterinidae. The species of this genus are found in Southern Hemisphere.
Spatagobrissus is a genus of echinoderms belonging to the family Maretiidae.
Ophionereis is a genus of echinoderms belonging to the family Ophionereididae.
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