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Globigerina diplostoma Reuss 1850 from: Rögl, F. (1985): Late Oligocene and Miocene planktic foraminifera of the Central Paratethys. In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 315-328
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Anonymous: Unedited TaxonConcept data
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Species Globigerina diplostoma Reuss 1850


Discussion / Comments:
Rögl (1985):
The 4-chambered G. diplostoma differs from the similar G. bulloides in a slower increase of chamber size; the last chamber is often of the same size or even smaller compared with the penultimate. The ranges of the two apparently closely related species are virtually the same. Some authors therefore regard them as synonymous. However, the populations of this species in the Middle Miocene of the Vienna Basin give the impression that it is a distinct valid species, distinguishable from G. bulloides cooccurring in the same samples, and not synonymous as maintained by Blow (1959).
Synonym list:
Rögl (1985):
1850 Globigerina diplostoma Reuss. - Reuss : p.373 pl. 47, figs. 9a-b, 10; pl. 48, fig. 1
1985 Globigerina diplostoma Reuss. - Rögl : p.322 figs. 4.3-8; 3
References:

Reuss,A.E. (1850):
Neue Foraminiferen aus den Schichten des Österreichischen Tertiärbeckens . K. Akad. Wiss Wien, Math.-naturw. Kl. Vol. 1 p. 365-390

Rögl,F. (1985):
Late Oligocene and Miocene planktic foraminifera of the Central Paratethys.
In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 315-328
Anonymous: Unedited TaxonConcept data
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