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Species Globigerina brevis Jenkins 1966


Discussion / Comments:
Jenkins (1985):
G. brevis most closely resembles G. tapuriensis Blow & Banner from the Early Oligocene of East Africa (in Eames et al., 1962), but differs from it in having a smaller test (0.44 mm), a more coarsely ornamented and non hispid wall and more deeply incised umbilical sutures. Within its range G. brevis can be accompanied by G. euapertura, which has a low arched aperture and by G. ampliapertura with its arched oblong shaped aperture. From both it is easily distinguished in test and apertural characteristics.
Quilty (1976):
The only reason for the slightly tentative identification of this species is the variation in aperture size between Jenkins' figures which have a moderately large aperture and the specimen figured here which has a more restricted aperture.
Synonym list:
Jenkins (1985):
1966 Globigerina brevis Jenkins. - Jenkins : p.1100 fig. 7, nos. 58-63
1985 Globigerina brevis Jenkins. - Jenkins : p.273 figs. 6.17; 5
Quilty (1976):
1966 Globigerina brevis Jenkins. - Jenkins : p.1100 fig. 7, nos. 58-63
1976 Globigerina brevis Jenkins. - Quilty : p.667 pl. 1, figs. 18-19
References:

Jenkins,D.G. (1966):
Planktonic foraminiferal zones and new taxa from the Danian to lower Miocene of New Zealand. . N. Z. J. Geol. Geophys. Vol. 8 p. 1088-1126

Quilty,P.G.. (1976):
Planctonic foraminifera DSDP Leg 34- Nazca Plata . DSDP initial reports Vol. 34

Jenkins,D.G. (1985):
Southern mid-latitude Paleocene to Holocene planktic foraminifera.
In: Plankton stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 263-282
Anonymous: Unedited TaxonConcept data
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