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Species Streptochilus globigerum Schwager 1866



Diagnosis / Definition:
Kennett & Srinivasan (1983):
Minute biserial test with six to seven pairs of inflated chambers, tending to become globular in the later stages. Wall calcareous, perforate-ornamented with rugae . Aperture a high arch extending from the base of the last chamber onto the apertural face and bordered by a distinct lip.
Discussion / Comments:
Kennett & Srinivasan (1983):
Distinguished from St. tokelauae, a Pliocene-Quaternary form, by its globose chambers and distinctly rugose test surface. St. tokelauae probably evolved from St. globigerum during the Early Pliocene. St. latum Bronnimann and Resig and St. pristinum Bronnimann and Resig are closely related.
Synonym list:
Kennett & Srinivasan (1983):
1866 Textilaria globigera Schwager. - Schwager : p.252 pl 7 fig 100
References:

Schwager,C. (1866):
Fossile Foraminiferen von Kar Nikobar, Reise der Oesterreichischen Fregatte Novara um Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. Von Wuellerstorf-Urbair . Geologischer Theil,Geologische Beobachtung no. 2, Palaeontologische Mittheilung Vol. 2(1) p. 187-268

Kennett,J. and Srinivasan,M.S. (1983):
Neogene Planktonic Foraminifera - A Phylogenetic Atlas.

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