Includes many of the basket stars

Wiktionary Word definitions in Wiktionary
n. The giant basket star, an early Mesozoic invertebrate.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Astrophyton \As*troph"y*ton\, n. [Astro- + Gr. fyton a plant.] (Zo["o]l.) A genus of ophiurans having the arms much branched.

Wikipedia Word definitions in Wikipedia
The giant basket star , Astrophyton muricatum , is an echinoderm found in shallow parts of the tropical western Atlantic and throughout the Caribbean Sea and the Gulf of Mexico . It is the only species in the genus Astrophyton . During the day, it curls ...