Starfish - Wikipedia
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea (/ ˌ æ s t ə ˈ r ɔɪ d i ə /). Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish are also known as asteroids due to being in the class Asteroidea.
Sea star | Echinoderm Anatomy & Adaptations | Britannica
4 天之前 · Sea star, any marine invertebrate of the class Asteroidea (phylum Echinodermata) having rays, or arms, surrounding an indistinct central disk. Despite their older common name, they are not fishes. The roughly 1,600 living species of sea …
Asteroidea (Sea Stars) - Encyclopedia.com
Sea stars have an ancient linage that shows embryologically they are not too distantly related to the phylum Chordata (back-boned animals).
Common starfish - Wikipedia
The common starfish, common sea star or sugar starfish (Asterias rubens) is the most common and familiar starfish in the north-east Atlantic. Belonging to the family Asteriidae, it has five arms and usually grows to between 10–30 cm across, although larger …
Global Diversity and Phylogeny of the Asteroidea (Echinodermata)
2012年4月27日 · Members of the Asteroidea (phylum Echinodermata), popularly known as starfish or sea stars, are ecologically important and diverse members of marine ecosystems in all of the world's oceans. We present a comprehensive overview of diversity and phylogeny as they have figured into the evolution of the Asteroidea from Paleozoic to the living fauna.
The World Asteroidea Database - World Register of Marine Species
2 天之前 · The Asteroidea (also known as sea stars or starfish) are among the most diverse and familiar of the living Echinodermata, including over 1800 species from every ocean basin in the world, including the Atlantic, Indian, and Pacific as well as the Arctic and the Southern Ocean, inhabiting intertidal to 6000 m abyssal settings.
The high diversity of Southern Ocean sea stars (Asteroidea) reveals ...
2021年1月1日 · In the present study, we analyse spatial patterns of SO sea star diversity using an occurrence database of ~14,000 entries. The biogeographic analysis is coupled with the exploration of an extensive molecular phylogeny based on over 4,400 specimen sequences to inform, support and/or question the observed diversity patterns.
An analysis of the deep-sea molluscan distribution and taxonomy revealed that the deep sea was initially colonized with molluscans by migration events from the shallow water32.
SEA STAR: Characteristics, Reproduction and Taxonomy - with …
The taxonomy of sea stars is: Domain: Eukaryota; Animalia Kingdom; Superfilo: Deuterostomy; Phylum: Echinodermata; Subphylum: Eleutherozoa; Class: Asteroidea; Let's see in the next sections more characteristics and types of starfish that exist to learn to differentiate them and get to know them in more detail. So if you want to expand the ...
Preliminary Assessment of Sea Star (Echinodermata, Asteroidea
2023年11月2日 · In this study, we assessed the biodiversity of coastal Magellanic sea stars and their affinities with other oceanic bioregions. An integrative approach combining morphological identification with DNA barcoding was implemented to highlight taxonomic discrepancies such as suspected synonymy and unrecognised diversity.