Naninfula hexaporus

Classification: ntax_cenozoic -> Holococcoliths -> fossil holococcoliths -> Semihololithus -> Naninfula hexaporus
Sister taxa: S. biskayae, S. dimidius, S. kanungoi, S. pseudobiskayae, S. sp. cf. S. biskayae, S. tentorium, N. figularia, N. hexaporus, S. sp.


Citation: Naninfula hexaporus Rai 1997
Rank: Species
Taxonomic discussion: Based on a single specimen imaged in SEM, but it appears to be an holococcolith similar to Semihololithus

Distinguishing features: Small elliptical holococcolith with domal cover with single cycle of ca 7 large pores

Farinacci & Howe catalog pages: N. hexaporus *

Size: 3µm long 2µm wide

Search data:
TagsLITHS: holococcolith, elliptical, hollow, CA: pores,
MetricsLith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP17 zone (37.32-40.40Ma, top in Priabonian stage). Data source: original description
First occurrence (base): within NP17 zone (37.32-40.40Ma, base in Bartonian stage). Data source: original description

Plot of occurrence data:


Rai, J. (1997). Scanning-electron microscopic studies of the Late Middle Eocene (Bartonian) calcareous nannofossils from the Kutch Basin, Western India. Journal of the Palaeontological Society of India. 42: 147-167. gs


Naninfula hexaporus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics