Brittle star - Wikipedia
Brittle stars, serpent stars, or ophiuroids (from Latin ophiurus 'brittle star'; from Ancient Greek ὄφις (óphis) 'serpent' and οὐρά (ourá) 'tail'; referring to the serpent-like arms of the brittle star) are …
Ophiothrix - Wikipedia
Ophiothrix is a large genus of brittle stars (Ophiuroidea) found in oceans worldwide from tropics to Arctic and Antarctic regions. At present a total of 93 Ophiothrix species have been recognized.
Ophiuroidea - Assembling the Echinoderm Tree of Life
The order Ophiurida, the brittle stars, contains 13 families, 223 genera and 1883 species (Stöhr et al. 2012). Ophiuroids belonging to this order usually have a central disk covered with plates, …
Global Diversity of Brittle Stars (Echinodermata: Ophiuroidea)
The Ophiuroidea or brittle stars, basket stars (euryalids with branching arms) and snake stars (euryalids with non-branching arms), are the largest group among extant echinoderms, with …
Brittle star | Deep-Sea, Segmented Arms, Radial Symmetry
Brittle star, any of the 2,100 living species of marine invertebrates constituting the subclass Ophiuroidea (phylum Echinodermata). Their long, thin arms—usually five and often forked and …
Introduction to the Ophiuroidea - University of California Museum …
Ophiuroids are a large group (over 1600 species) of echinoderms that includes the brittle stars (Ophiurida) and basket stars (Euryalida). The more familiar Ophiurida, or brittle stars, usually …
Ophiuroidea (Brittle and Basket Stars) | Encyclopedia.com
The most recent phylogeny and upper-level taxonomy places extant ophiuroids into two subclasses: the Oegophiuridea with only one family, the Ophiocanopidae; and the Ophiuridea, …
A taxonomic guide to the brittle-stars (Echinodermata, …
We examined 647 samples (totaling 1.379 specimens), identifying 23 species, 14 genera, 8 families, and 1 order of Ophiuroidea (Tab. 1, Tab. 2, Supplementary Material). Checklist of …
Ophiothrix fragilis - Wikipedia
Ophiothrix fragilis is a species of brittle star in the order Ophiurida. It is found around the coasts of western Europe and is known in Britain as the common brittle star. [3][4] It is also found along …
Brittle Star: Fascinating Sea Life - ThoughtCo
2019年6月15日 · Traditionally, brittle stars are in a separate order from basket stars, but the division is under scrutiny as DNA results are being reported and that may change. Brittle stars …