CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides elongata (d'Orbigny) subsp. bikiniensis McCulloch 1977
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Citation: Globigerinoides elongata (d'Orbigny) subsp. bikiniensis McCulloch 1977Taxonomic rank: sub-speciesType specimens: holotype (fig. 2), AHF 2550.Type age (chronostrat): RecentType locality: In 860-1150 fms. on Velero Station 6000, 11°54N, 165°02E, off Bikini Atoll, South Pacific.Type repository: Los Angeles, Univ Southern California, Allan Hancock Foundation
Original Description Test free, calcareous, elongate, subcone-shaped, trochoid, lobulate, periphery rounded; wall rather thin, finely punctate, minutely spinous; high spired form presentsglobose small initial chambers followed by two whorls of chambers gradually increasing in size with last formed chambers reduced somewhat in size and showing small sec ond ary apertural openings on the outer side at the sutures; primary suture in form of a low arch on the medial side apertural lip narrow; sutures much depressed. Size: Holotype (fig. 2) 0.685 x 0.435mm. Extra details from original publication The chambers of this subspecies are more globose. It differs in texture, organization of chambers and in the number and position of the secondary apertural openings. The lectotype selected by Banner and Blow (1960 p. 12, pl. 3, fig. 10) is a more compressed form, less lobulate and with a more punctate texture. It is probable that both subspecies should be considered taxa on the species level.
References:
Banner, F. T. & Blow, W. H. (1960a). Some primary types of species belonging to the superfamily Globigerinaceae. Contributions from the Cushman Foundation for Foraminiferal Research. 11: 1-41. gsO
McCulloch, I. A. (1977). Qualitative observations on Recent foraminiferal tests with emphasis on the eastern Pacific (3 vols). University of Southern California, Los Angeles. -. gs
Globigerinoides elongata bikiniensis compiled by the pforams@mikrotax project teamviewed: 1-5-2025
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