Aquilonastra

Aquilonastra is a genus of small sea stars within the family Asterinidae. It has over 20 described species.

== Description == thumb|upright=1|Aquilonastra conandae. Aquilonastra has generally five rays, except fissiparous species which have five to eight ones. It looks like a star, as inter-radial margins are deeply incurved.