The Collaborative International Dictionary
Asterias \As*te"ri*as\, n. [NL., fr. Gr. ? starred, fr. 'asth`r star.] (Zo["o]l.) A genus of echinoderms.
Note: Formerly the group of this name included nearly all starfishes and ophiurans. Now it is restricted to a genus including the commonest shore starfishes.
Wikipedia
Usage examples of "asterias".
The Nenuphar and the Asterias did the same, square-rigged mainsails furled like the Eryngo's, just relying on the triangular sails on their stubby aftmasts for steering in circles.
The Dulse and Fire Minnow slid stealthily in our wake, their sister ships Asterias and Nenuphar not far behind.
The Nenuphar and the Asterias backed the Eryngo in a solid blockade, Vithrancel's archers ready to pinion any remaining longboats struggling back to the landing.
Spread in desultory knots between them were those ordinary men of Kellarin who remained after the Eryngo, Nenuphar and Asterias had been hastily provisioned from looted stores and sent to battle wind and tide all the way to the southern end of the strait.