Shaffer,B.L.

Author:
Shaffer,B.L.

Year:
1973

Title:
Electron-probe microanalysis of calcareous nannofossils.

Reference:

Shaffer,B.L. (1973) Electron-probe microanalysis of calcareous nannofossils. Geoscience and Man Vol. 7 P. 89- 93

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Genus	Species	Country(Region)	From
Fasciculithus	Fasciculithus tympaniformis	USA(Gulf of Mexico)	Paleocene
Gephyrocapsa	Gephyrocapsa caribbeanica	USA(Gulf of Mexico)	Pleistocene
Helicopontosphaera	Helicopontosphaera kamptneri	USA(Gulf of Mexico)	Late Neogene
Helicopontosphaera	Helicopontosphaera reticulata	USA(Gulf of Mexico)	Eocene
Pemma	Pemma papillatum	USA(Gulf of Mexico)	Eocene
Peritrachelina	Peritrachelina joidesa	USA(Gulf of Mexico)	Eocene
Reticulofenestra	Reticulofenestra pseudoumbilica	USA(Gulf of Mexico)	Miocene
Scyphosphaera	Scyphosphaera sp	USA(Gulf of Mexico)	Miocene
Sphenolithus	Sphenolithus abies	USA(Gulf of Mexico)	Late Neogene
Sphenolithus	Sphenolithus heteromorphus	USA(Gulf of Mexico)	Miocene
Thoracosphaera	Thoracosphaera sp	USA(Gulf of Mexico)	Miocene
Triquetrorhabdulus	Triquetrorhabdulus carinatus	USA(Gulf of Mexico)	Oligocene
Zygrhablithus	Zygrhablithus bijugatus	USA(Gulf of Mexico)	Oligocene