| 释义 |
cam·er·a·ta
\ˌkaməˈräd.ə, -ˈā-\ noun plural
Usage: capitalized
Etymology: New Latin, from Latin, neuter plural of cameratus, past participle of camerare to arch, from camera arched roof — more at chamber
: the largest order of crinoids including all Paleozoic species that have the lower brachial plates included in the cup and the mouth and food grooves closed |