Citation: Globigerina bulbosa LeRoy 1944Rank: speciesType sample (& lithostrat): Lower Palembang formationType age (chronostrat): Middle MioceneType locality: Locality PP-318, in an area lying immediately north of Soengei Kanan and southwest of Kotapinang, east coast of central Sumatra, Netherlands Indies.Type repository: Medan, Sumatra; Deposited in the micropaleontologic collections of the Nederlandsche Pacific Petroleum Maatschappij, Medan, Sumatra. Representative specimens filed in the micropaleontologic collection of the Colorado School of Mines, Golden, Colo.
Original Description Test small, chambers nearly coiled a plane; last three chambers comprise the bulk of the test, last chamber very bulbous; aperture a large arch at base of last chamber. Size: Dimensions: Height 0.47 mm., width 0.29 mm. Extra details from original publication This species differs from G. bulloides d'Orbigny by exhibiting more bulbosity of the chambers. The species is rarely found. It has been noted from the Lower Palembang.
LeRoy, L. W. (1944b). Miocene foraminifera from Sumatra and Java, Netherlands East Indies, part 1. Miocene foraminifera of central Sumatra, Netherlands East Indies. Colorado School of Mines Quarterly. 39(3): 1-69. gs
Globigerina bulbosa compiled by the pforams@mikrotax project teamviewed: 2-4-2023