CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia lobata Bermudez 1949
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Citation: Globorotalia lobata Bermudez 1949Taxonomic rank: speciesType specimens: holotype, no. 62869: holotype, no. 62869. Topotypes Standard Oil Company of Cuba, which are now at the University of Havana, Cuba; the University of Santo Domingo, Ciudad Trujillo, Dominican Republic; the Dorothy K. Palmer Collection at the Paleontological Research Institution, Ithaca, New York; and in the author's personal collectionType sample (& lithostrat): Trinchera Formation.Type age (chronostrat): Upper Oligocene. Noted in numerous samples between the upper Middle Oligocene and the Upper Oligocene. Abundant.Type locality: Core 5, between 74-84 feet in Bravo well No.5, Yaguate area, Trujillo Province, Dominican Republic.Type repository: Washington, USNM
Original Description Test longer than broad, much compressed, almost equally biconvex, umbilicus shallow, peripheral margin acute, somewhat limbate, the last chambers strongly lobulate; two whorls visible dorsally, the early one closely coiled, the latter one very much less so; six to e ight chamber comprising the last whorl, the chambers increasing rapidly in size as added; spiral suture slightly depressed, sutures somewhat limbate on the dorsal side, slightly depressed on the ventral; wall thick, finely perforate, ventral surface near the aperture with numerous granulations; aperture a slit at the base of the last chamber. Size: Dimensions of holotype: Diameter, 0.72 mm; thickness, 0.26 mm. Extra details from original publication This species differs from Globorotalia menardii (d'Orbigny) (Rotalia menardii d'Orbigny, 1826) in the more pronounced lobulation of the last whorl. TYPE LOCALITY: TYPE SPECIMEN:
References:
Bermudez, P. J. (1949). Tertiary smaller foraminifera of the Dominican Republic. Cushman Laboratory for Foraminiferal Research, Special Publication. 25: 1-322. gs
Globorotalia lobata compiled by the pforams@mikrotax project teamviewed: 11-5-2026
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