globigerina 的定义
plural glo·big·er·i·nas, glo·big·er·i·nae [gloh-bij-uh-rahy-nee, -ree-]. /gloʊˌbɪdʒ əˈraɪ ni, -ˌri-/.
- any marine foraminifer of the genus Globigerina, having a calcareous shell, occurring either near the surface of the sea or in the mud at the bottom.
更多globigerina例句
- It is called Globigerina, and some specimens of chalk consist of little else than Globigerin and granules.
- It is probably a developmental phase of Globigerina, a, Orbulina shell; b, Globigerina shell.
- Chalk is well known to consist largely of foraminiferal shells, mostly vitreous, like the north Atlantic globigerina ooze.
- Pelagic example, with adherent radiating calcareous spines (hollow), and internally a small Globigerina shell.
- It is called Globigerina, and some specimens of chalk consist of little else than Globigerina and granules.