Zygodiscus cearae
Set number: 1949
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Set number: 1948
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1
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2
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3
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5
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8
10µm
Neochiastozygus cearae Perch-Nielsen, 1977
A large species of Zygodiscus has a transverse bar comprising three parallel narrow sets of segments. The two outer sets of segments exhibit first-order greyish-white interference colours with length-fast (-) elongation in the distal view, while the middle set of segments is in constant extinction.
Bown, P. R. & Dunkley Jones, T. 2006. New Paleogene calcareous nannofossil taxa from coastal Tanzania: Tanzania Drilling Project Sites 11 to 14. Journal of Nannoplankton Research 28(1): 17-34.
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.
Holotype
Neochiastozygus cearae
Perch-Nielsen, 1977
Late Paleocene
DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean