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Plate of brittle stars from the Kunstformen der Natur from Ernst Haeckel (1904) Second plate of brittle stars from Haeckel. Between 2,064 [11] and 2,122 species of brittle stars are currently known, but the total number of modern species may be over 3,000. [12] This makes brittle stars the most abundant group of current echinoderms (before sea ...
Amphiuridae (commonly called long-armed burrowing brittle stars [2] or burrowing brittle stars) are a large family of brittle stars of the suborder Gnathophiurina.Some species are used to study echinoderm development (e.g. Amphipholis kochii [3] and Amphioplus abditus [4]) and bioluminescence (the dwarf brittle star, Amphipholis squamata [5] [6]).
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
An echinoderm (/ ɪ ˈ k aɪ n ə ˌ d ɜːr m, ˈ ɛ k ə-/) [2] is any animal of the phylum Echinodermata (/ ɪ ˌ k aɪ n oʊ ˈ d ɜːr m ə t ə /), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". [3]
Ophiothrix suensoni, Suenson's brittle star or the sponge brittle star, is a species of marine invertebrate in the order Ophiurida. It is found in the Caribbean Sea and Gulf of Mexico. It is included in the subgenus Acanthophiothrix making its full scientific name Ophiothrix (Acanthophiothrix) suensoni. [1]
Ophiura ophiura is an active brittle star, moving with a jerky swimming action of its legs and sometimes burrowing. [2] It is a filter feeder, feeding on a wide range of food, [1] but also a bottom-feeding carnivore and detritivore. [7] It can regenerate its arms if they are damaged or torn off. [7] Sexual reproduction takes place during the ...
Ophiocomella alexandri, known as Alexander's spiny brittle star or banded brittle star, is a species of marine brittle star. It was first described to science by Theodore Lyman in 1860. [ 1 ] Lyman states in his description that the animal is named for his friend, Alexander E. R. Agassiz , the son of Lyman's mentor, Louis Agassiz .
Amphipholis squamata is found in all parts of the British Isles and also in Ireland. It has been recorded in many other parts of the world, including France [7],New Zealand and other places, with one conference paper referring to it as a cosmopolitan species. [8] Molecular studies have shown that there are multiple species in this complex. [2] [9]