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 To
Coccolithus Coccolithus pelagicus USA(Gulf of Mexico) Late Neogene
Helicopontosphaera Helicopontosphaera kamptneri USA(Gulf of Mexico) Late Neogene
Braarudosphaera Braarudosphaera bigelowi USA(Gulf of Mexico) Late Neogene
Discoaster Discoaster brouweri USA(Gulf of Mexico) Late Neogene
Discoaster Discoaster surculus USA(Gulf of Mexico) Late Neogene
Sphenolithus Sphenolithus abies USA(Gulf of Mexico) Late Neogene
Ceratolithus Ceratolithus rugosus USA(Gulf of Mexico) Late Neogene
Reticulofenestra Reticulofenestra pseudoumbilica USA(Gulf of Mexico) Miocene
Scyphosphaera Scyphosphaera sp USA(Gulf of Mexico) Miocene
Thoracosphaera Thoracosphaera sp USA(Gulf of Mexico) Miocene
Catinaster Catinaster coalitus USA(Gulf of Mexico) Miocene
Sphenolithus Sphenolithus heteromorphus USA(Gulf of Mexico) Miocene
Coronocyclus Coronocyclus nitescens USA(Gulf of Mexico) Oligocene
Zygrhablithus Zygrhablithus bijugatus USA(Gulf of Mexico) Oligocene
Discoaster Discoaster tani USA(Gulf of Mexico) Oligocene
Triquetrorhabdulus Triquetrorhabdulus carinatus USA(Gulf of Mexico) Oligocene
Chiasmolithus Chiasmolithus grandis USA(Gulf of Mexico) Eocene