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Species Globigerinita naparimaensis Brönnimann 1951


Discussion / Comments:
Bolli & Saunders (1985):
The original illustration of the holotype and even Bolli, Loeblich & Tappan's redrawing are somewhat misleading because the last chamber, which wraps around from the left of the specimen (Fig. 17.7c) and crosses the umbilicus is so thin as to be almost invisible. Its 2 apertures over the earlier sutures are visible as is also an early Globigerina aperture opening into the umbilicus. So far, this morphological type has not been found frequently and is of little stratigraphic value.
Systematics:

21
 Genus Porticulasphaera
  Species Porticulasphaera transitoria
Synonym list:
Bolli & Saunders (1985):
1951 Globigerinita naparimaensis Brönnimann. - Brönnimann : p.18 figs. 1-2
1985 Globigerinita naparimaensis Brönnimann. - Bolli & Saunders : p.187 figs. 17.7; 7,9,12
Bolli (1957):
1951 Globigerinita naparimaensis Brönnimann. - Brönnimann : p. 82 pl. 14, fig. 11
1957 Globigerinita naparimaensis Brönnimann. - Bolli et al. : p. 37 pl. 8, figs. 1-2
Was used in synonym list of:
Tinophodella ambitacrena Loeblich & Tappan 1957
References:

Brönnimann,P. (1951):
Globigerinita naparimaensis n. gen., n. sp., from the Miocene of Trinidad, B. W. I. . Contr. Cushman Found. Foram. Res. Vol. 2(1) p. 16-18

Bolli,H.M.; Loeblich,A.R. and Tappan,H. (1957):
The Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae, and Globotruncanidae . U.S. National Museum Bull. Vol. 215 p. 3-50

Bolli,H.M. (1957):
Planktonic foraminifera from the Oligocene-Miocene Cipero and Lengua formations of Trinidad, B.W.I..
In: Studies in Foraminifery, Bulletin of the U.S. National Museum Vol. 215 Eds: Loeblich, A.R.Tappan, H.Beckmann, J.P.Bolli, H.M.Gallitelli, E.M.Troelsen, J.C. p. 97-123

Bolli,H.M. and Saunders,J.B. (1985):
Oligocene to Holocene low latitude planktic foraminifers.
In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B. p. 155-262
Anonymous: Unedited TaxonConcept data
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