globigerina

[ gloh-bij-uh-rahy-nuh, -ree- ]

/ gloʊˌbɪdʒ əˈraɪ nə, -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.

Origin of globigerina

1840–50; < New Latin, equivalent to Latin globi- globe (combining form of globus) + -ger- (stem of gerere to carry) + -ina -ina²

The shells accumulate at the bottom of moderately deep seas to form “Globigerina ooze” and are preserved thus in the chalk.

Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 |Various
It is probably a developmental phase of Globigerina, a, Orbulina shell; b, Globigerina shell.

Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 |Various
Chalk is well known to consist largely of foraminiferal shells, mostly vitreous, like the north Atlantic globigerina ooze.

Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 |Various
It is called Globigerina, and some specimens of chalk consist of little else than Globigerin and granules.

Young Folks' Library, Volume XI (of 20) |Various

It is called Globigerina, and some specimens of chalk consist of little else than Globigerinæ and granules.

The Best of the World's Classics, Restricted to Prose, Vol. VI (of X)--Great Britain and Ireland IV |Various

globigerina

/ (ɡləʊˌbɪdʒəˈraɪnə) /

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