a. [f. as prec. + -AL.] a. Pertaining to the Foraminifera. b. Consisting of or containing foraminifera.
1865. W. P. Carpenter, in Intell. Observ., VII. No. 40. 278. The discovery of large masses of a fossil organism referable to the Foraminiferal type, near the base of the Laurentian series of rocks in North America.
1876. D. Page, Adv. Text-bk. Geol., xix. 363. Among the most remarkable features of foreign tertiaries are the infusorial and foraminiferal stratathe former constituting such rocks as the tripoli of Bohemia and Virginia, and the latter the nummulitic limestones of the Old World, and the orbitoidal of the New.
1882. Geikie, Text-bk. Geol., II. ii. § 6. 167. Calcareous (Foraminiferal) Oozea white or grey calcareous mud, of organic origin, found covering vast areas of the floor of the Atlantic and other oceans, and formed mostly of the remains of Foraminifera.