Cruciplacolithus frequens
Set number: 1347
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10µm
Set number: 1348
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Set number: 1349
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10µm
Set number: 1350
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Chiasmolithus frequens Perch-Nielsen, 1977a
Perch-Nielsen, K.,1977a. Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. Initial Reports of the Deep Sea Drilling Project. 39, 699-823.
Romein, A. J. T., 1979. Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin 22, 1-231.
Holotype
Chiasmolithus frequens
Perch-Nielsen, 1977a
Late Paleocene
DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean