Definition of radiolaria in English:
radiolaria
plural nounˌreɪdɪə(ʊ)ˈlɛːrɪəˌrādēəˈlerēə
Zoology Radiolarians collectively.
Example sentencesExamples
- Fewer than 250,000 fossils - most are ‘large microbes,’: foraminifera, radiolaria, coccolithophores or diatoms - are named in the paleontological literature.
- As in other radiolaria, Acantharea have a gelatinous ectoplasm filled with vacuoles, separated from the inner cell mass by a fibrous capsular wall.
- The marine biostratigraphy is based upon microfaunas and floras, notably planktonic foraminifera and radiolaria.
- The Nun Mine Member consists of thin-bedded calcareous mudstones locally with abundant radiolaria, and represents offshore, basinal environments.
- The importance of both stems from the fact that radiolaria and planktonic foraminifera live at or near the ocean surface and their shells incorporate a record of surface-water conditions as they grow.
Origin
Late 19th century: modern Latin (former order name), from late Latin radiolus 'faint ray', diminutive of radius 'ray'.