最終更新日：2024/08/02

(paleontology, archaic) Any fossil foraminifer of the family Rotaliidae, abundant in chalk formations.

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rotalite

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rotalite

noun

(paleontology, archaic) Any fossil foraminifer of the family Rotaliidae, abundant in chalk formations.

The rotalite is a fossil commonly found in sedimentary rocks.

意味（1）

(paleontology, archaic) Any fossil foraminifer of the family Rotaliidae, abundant in chalk formations.