New species, occurrence records and observations of predation by deep-sea Asteroidea (Echinodermata) from the North Atlantic by NOAA ship Okeanos Explorer Author Mah, Christopher L. text Zootaxa 2020 2020-04-20 4766 2 201 260 journal article 22829 10.11646/zootaxa.4766.2.1 7fa4a4ce-5db2-4d06-adeb-db21b0574cef 1175-5334 3764018 urn:lsid:zoobank.org:pub:B47DC09C-181A-4DFE-B415-770AFFC11BD3 MYXASTERIDAE The Myxasteridae is a family of exclusively abyssal velatid asteroids which includes three taxa, two multi-armed genera Asthenactis and Myxaster and the five-armed Pythonaster , which are known from deep-sea settings in the Pacific and the Atlantic. Recent overviews of this rarely encountered family of asteroids are found in Mah et al . (2012) and Alton (1966).