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The Collaborative International Dictionary
Rotalite

Rotalite \Ro"ta*lite\, n. [L. rota wheel + -lite.] (Paleon.) Any fossil foraminifer of the genus Rotalia, abundant in the chalk formation. See Illust. under Rhizopod.

Wiktionary
rotalite

n. (context paleontology English) Any fossil foraminifer of the genus (taxlink Rotalia genus), abundant in the chalk formation.