| 释义 |
palaeo·crinoidea
\| ̷ ̷ ̷ ̷ ̷ ̷+\ noun plural
Usage: capitalized
Etymology: New Latin, from pale- + Crinoidea
in some classifications : an order of Paleozoic stalked crinoids of supposedly primitive type having the actinal side of the calyx closed — compare neocrinoidea |