Hornibrookina teuriensis


Classification: ntax_cenozoic -> Isochrysidales -> Prinsiaceae -> Hornibrookina -> Hornibrookina teuriensis
Sister taxa: H. edwardsii, H. teuriensis ⟩⟨ H. arca, H. australis ⟩⟨ H. weimerae, H. apellanizii, H. sp.

Taxonomy:

Citation: Hornibrookina teuriensis Edwards, 1973
Rank: Species
Taxonomic discussion: Inconpicuous (small and dark) in XPL but can be abundant in Danian assemblages.

Distinguishing features: Medium sized, narrowly elliptical, central area broad with ~10 pairs of lateral bars and a longitudinal bar.

Farinacci & Howe catalog pages: H. teuriensis *


Size: Length 5-10 µm.

Search data:
TagsLITHS: placolith, elliptical, CA: ca_disjunct, grill,
CSPH: equant, monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 5->10µm;
Data source notes: original diagnosis
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in mid part of NP5 zone (50% up, 60.5Ma, in Selandian stage). Data source: Varol, (1989, fig. 12.4)
First occurrence (base): within NP3 zone (63.25-64.81Ma, base in Danian stage). Data source: Perch-Nielsen 1985

Plot of occurrence data:

References:

Edwards, A. R. (1973b). Key species of New Zealand calcareous nannofossils. New Zealand Journal of Geology and Geophysics. 16: 68-89. gs

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. gs V O

Perch-Nielsen, K. (1985a). Cenozoic calcareous nannofossils. In, Bolli, H. M., Saunders, J. B. & Perch-Nielsen, K. (eds) Plankton Stratigraphy. Cambridge University Press, Cambridge 427-555. gs

Pospichal, J. J. & Wise, S. W. (1990c). Paleocene to Middle Eocene calcareous nannofossils of ODP sites 689 and 690, Maud Rise, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 613-638. gs V O

Varol, O. (1989c). Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications: Proceedings of the 2nd INA Conference, London 1987. British Micropalaeontological Society Publication Series. 265-310. gs V O


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Hornibrookina teuriensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2021

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