crinoid

merililja-, merililjoihin kuuluva

merililja One of the numerous animals that make up the Crinoidea class; the feather star or "sea lily".
Relating to or sharing the qualities and features of the Crinoidea class.
1936, (w), ‘The Haunter of the Dark’:

It was treasured and placed in its curious box by the crinoid things of Antarctica, salvaged from their ruins by the serpent-men of Valusia, and peered at aeons later in Lemuria by the first human beings.