| 释义 |
te·trac·ti·nel·li·da
\ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈnelədə\ noun plural
Usage: capitalized
Etymology: New Latin, from Tetractina, a division of sponges in some classifications (from tetra- + -actina -actine) + -ella + -ida
in some classifications : a subclass or other division of Demospongiae comprising sponges with siliceous 4-rayed spicules or sometimes with desmas or without spicules |