And it kinda looked like a flipped-over stalkless sea lily.

它看起来有点像翻过来海合。

Crinoids became the most abundant echinoderms of the Ordovician, and some were the ancestors of today's stalkless feather stars and stalked sea lilies.

海合成为奥陶纪最丰富棘皮物，有些是今天羽星和有海合祖先。