Amphiura
From Wikipedia, the free encyclopedia
Amphiura | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Scientific classification | ||||||||||||||||
|
||||||||||||||||
Species | ||||||||||||||||
see text. |
Amphiura is a large genus of brittle stars (Ophiuroidea) found in oceans worldwide from tropics to arctic and antarctic regions.
[edit] Systematics and phylogeny
Amphiura is a large genus that is currently divided into the following six subgenera: Amphioplus, Amphiura, Fellaria, Ophionema, Ophiopelte and Ophiopeltis. The once used subgenus Acrocnida has been elevated to a genus rank. Fossil record of the genus of dates back to Turonian (Amphiura plana)[1]. Extant species include[2]:
|
|
|
|
[edit] References
- ^ Storc, The ophiuroid Amphiura? plana in nearshore settings of the Bohemian Cretaceous Basin (Czech Republic)R.Geologia Carpathica,Vol.55, No 1(2004)
- ^ MarineSpecies.org - Amphiura Forbes, 1843