| 释义 |
or·bi·to·li·na
\ˌ ̷ ̷bəd.əˈlīnə, -lēnə\ noun
Usage: capitalized
Etymology: New Latin, from Orbitolites + -ina
: a genus of foraminiferans very abundant in the Cretaceous having a bowl-shaped or depressed conic siliceous test with agglutinated sandy particles |