- 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.
Origin of globigerina
1840–50; < New Latin, equivalent to Latin globi- globe (combining form of globus) + -ger- (stem of gerere to carry) + -ina -ina2
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Examples from the Web for globigerina
The shells accumulate at the bottom of moderately deep seas to form “Globigerina ooze” and are preserved thus in the chalk.
Globigerina, glob-i-je-rī′na, n. a genus typical of Globigerinid, a pelagic family of foraminifers.
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.
- any marine protozoan of the genus Globigerina, having a rounded shell with spiny processes: phylum Foraminifera (foraminifers)
- globigerina ooze a deposit on the ocean floor consisting of the shells of these protozoans
C19: from New Latin, from Latin globus globe + gerere to carry, bear
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