Hornibrookina apellanizii


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

Taxonomy:

Citation: Hornibrookina apellanizii Bernaola and Monechi, 2007
Rank: Species

Distinguishing features: Very small (2-3.5µm) Hornibrookina with a rhombohedral shape and a wide central area.

Farinacci & Howe catalog pages: H. apellanizii *


Morphology: The central area contains slender laths that join in the middle forming a longitudinal bar. At cross-polarised light both the distal shield and the central structure show low-birefringence.

Size: 2–3.5 µm

Search data:
TagsLITHS: placolith, elliptical, CA: ca_disjunct, grill,
CSPH: equant, monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 2->3.5µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP1 zone (65.47-66.04Ma, top in Danian stage). Data source: Bernaola & Monechi (2007)
First occurrence (base): within NP1 zone (65.47-66.04Ma, base in Danian stage). Data source: Bernaola & Monechi (2007)

Plot of occurrence data:

References:

Bernaola, G. & Monechi, S. (2007). Calcareous nannofossil extinction and survivorship across the Cretaceous_Paleogene boundary at Walvis Ridge (ODP Hole 1262C, South Atlantic Ocean). Palaeogeography Palaeoclimatology Palaeoecology. 255: 132-156. gs


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Hornibrookina apellanizii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-4-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=733 Go to Archive.is to create a permanent copy of this page - citation notes



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