free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms. 自由飘浮的无柄海百合,有十只羽状的手臂;多见于多泥的海底。
Any of various ascomycetous fungi, especially of the family Pezizaceae, characterized by a spore-bearing structure that is often stalkless and cup-shaped or disk-shaped. 盘菌:任一种子囊菌纲真菌,尤指盘菌科真菌,其特征为有一个胚状结构,通常无柄并成杯状或盘状
And it kinda looked like a flipped-over stalkless sea lily.
它看起来有点像翻过来的无柄海百合。
PBS地球-动物趣闻
Crinoids became the most abundant echinoderms of the Ordovician, and some were the ancestors of today's stalkless feather stars and stalked sea lilies.