Globigerinelloides ultramicrus Subbotina 1949 from: Pflaumann, U.Krasheninnikov, V.. (1977): Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 . In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564 . |
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Species Globigerinelloides ultramicrus Subbotina 1949 |
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Discussion / Comments: |
Pflaumann & Krasheninnikov (1977):
Very small, thin-walled specimens with six to eight spherical
chambers, very slowly increasing, form the last whorl: Umbilicus
wide and shallow, coiling slightly evolute. This species is known from
Albian-Cenomanian of the Caucasus, Crimea, Carpathians, and
Indian Ocean. |
Systematics: |
22 Superfamilia Globigerinaceae
Familia Schackoinidae
Genus Globigerinelloides
Species Globigerinelloides ultramicrus
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Synonym list: |
Pflaumann & Krasheninnikov (1977):
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References: |
Subbotina,N.N. (1949): Microfauna of the Cretaceous deposits of the southern slope of the Caucasus. Microfauna of the oil fields of the USSR . Trudy Vsesoyuznogo Neftyanogo Nauchno-Isledovatelskogo Geologo-Razvedochnogo Instituta (VNIGRI), Novaya Seriya Vol. 34 p. 5-36
Pflaumann,U. and Krasheninnikov,V.. (1977): Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 . In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564
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