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Species Rosita contusa Cushman 1926


Discussion / Comments:
Caron (1985):
The species is characterized by its highly trochospiral test, concave umbilical side and undulating chamber surface outlined by heavy beading. The narrow double keel is most visible in umbilical view. The umbilicus is wide and deep, covered by helicoidally arranged portici.
Systematics:

5
 Classis Foraminifera
  Familia Globotruncanidae
   Genus Rosita
    Species Rosita contusa
Synonym list:
Caron (1985):
1926 Pulvinulina arca var. contusa Cushman. - Cushman : p.23 nomen nudum
1941 Globotruncana linnei calciformis Vogler. - Vogler : p.288 pl 24 fig 23
1946 Pulvinulina arca var. contusa Cushman. - Cushman : p.150 pl 62 figs 6a-c
1962 Globotruncana contusa galeoidis Herm. - Herm : 74-75 pl 1 figs 3-4
1985 Rosita contusa Cushman. - Caron : p.64 figs 28.1-2
References:

Cushman,J.A. (1926):
Some foraminifera from the Mendez Shale of Eastern Mexico . Contributions from the Cushman Foundation for Foraminiferal Research Vol. 2 p. 16-28

Vogler,J. (1941):
Ober-Jura und Kreide von Misol (Niederländisch-Ostindien) . Palaeontographica4 (suppl) p. 243-293

Cushman,J.A. (1946):
Upper cretaceous foraminifera of the Gulf Coastal Region of the United States and adjacent areas . Professional Papers of the US Geological Survey Vol. 206 p. 1-241

Herm,D. (1962):
Stratigraphische und mikropaläontologische Untersuchungen der Oberkreide im Lattengebirge und Nierental (Gosaubecken von Reichenhall und Salzburg) . Abhandlungen der Bayerische Akademie der Wissenschaften, Mathematisch-naturwissenschaftliche Klasse Vol. 104 p. 1-119

Caron,M. (1985):
Cretaceous planktic foraminifera.
In: Plankton stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 17–86
Anonymous: Unedited TaxonConcept data
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Ranking (experimental)