Nannotax3 - ntax_Farinacci - Umbilicosphaera arena Nannotax3 - ntax_Farinacci - Umbilicosphaera arena

CATALOG - Umbilicosphaera arena

Folder trail: ntax_Farinacci -> U -> Umbilicosphaera -> Umbilicosphaera arena
Folders this level: U. angustiforamen, U. arena, U. calvata, U. cretacea, U. dilatata, U. germanica, U. hulburtiana, U. jafari, U. jordanii, U. lordi, U. maceria, U. mirabilis, U. nitescens, U. petaliformis, U. rosaceus, U. scituloma, U. volgensis

Original descriptions of taxa. For coccolithophores, and many calcispheres, these are pages from the Farinacci & Howe Catalog of Calcareous Nannofossils. In other cases (e.g. non-calcifying haptophytes) the data is directly compiled on this site. The "Catalogue of Calcareous Nannofossils" was originally compiled by Prof A. Farinacci 1969-1989, since 2000 it has been updated and extended by Richard Howe - see The Farinacci and Howe Catalog - an Introduction.
Taxa are sorted alphabetically for simple browsing, or you can use search boxes at the top & bottom of the page

Current identification:

Compiled data

Citation: Umbilicosphaera arena Hay & Towe 1962
taxonomic rank: Species
Language: EN
Type sample (& lithostrat): Sample: field sample; From: Tuileries de Donzacq, Couches d D., Landes, France;
Type age (chronostrat): Cuisian [Eocene]
Standardised type level: 101_LOWER EOCENE
Type locality: France
Type repository: Urbana, Illinois University, Geologic Collections
Repository Country: USA
Farinacci catalog page (& compiler): 1239

Editors' Notes
The images are not very satisfactory but these look more like Coccolithus than Umbilicosphaera - rim structure is more complex and shows more cycles of elements than Umbiicosphaera.


Hay, W. W. & Towe, K. M. (1962a). Electron microscope examination of some coccoliths from Donzacq (France). Eclogae Geologicae Helvetiae. 55: 497-517. gs O


Umbilicosphaera arena: Catalog entry compiled by Anna Farinacci. Viewed: 15-4-2024

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