radiolaria - rads_cenozoic - Gonosphaera primordialis radiolaria - rads_cenozoic - Gonosphaera primordialis

Gonosphaera primordialis


Classification: rads_cenozoic -> Actinommidae -> Actinommidae inc sed -> Gonosphaera -> Gonosphaera primordialis
Sister taxa: G. primordialis, G. sp.

Taxonomy

Citation: Gonosphaera primordialis Joergensen 1905
Taxonomic rank: species
Basionym: Gonosphaera primordialis

Catalog entries: Gonosphaera primordialis

Original description: I will add a few remarks to the description already given of the genus. In most positions, this species will have the appearance of a more or less distinct pentagon, with long spines at the corners, and also a connecting arch with three similar spines. Looking straight towards one of the two pentagons (with a side in common), the connecting arch with its spines, will look like two long spines, connected by a short cross beam. Rare in deep water samples.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Lazarus et al. 2015 - "R age group"
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Lazarus et al. 2015 - "R age group"

Plot of occurrence data:

References:

Bjørklund, K. R. (1976). Radiolaria from the Norwegian Sea, Leg 38 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 38: 1101-1168. gs

De Wever, P., Dumitrica, P., Caulet, J., Nigrini, C. A. & Caridroit, M. (2001). Radiolarians in the Sedimentary Record. Gordon and Breach Science Publishers, Amsterdam. 533 p. . 1-533. gs

Jørgensen, E (1905). The protist plankton and diatoms in bottom samples: Radiolaria. In, Nordgaard (ed.) Hydrographical and biological investigation in Norwegian Fjord. 49-151. gs O

Swanberg, N. R. & Bjørklund, K. R. (1987a). Radiolaria in the plankton of some fjords in western and northern Norway: the distribution of species. Sarsia. 72(3-4): 231-244. gs


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Gonosphaera primordialis compiled by the radiolaria@mikrotax project team viewed: 21-6-2025

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