radiolaria - rads_cenozoic - Spongurus spatulaeformis radiolaria - rads_cenozoic - Spongurus spatulaeformis

Spongurus spatulaeformis

Classification: rads_cenozoic -> Spongodiscidae -> Sponguridae -> Spongurus -> Spongurus spatulaeformis
Sister taxa: S. bilobatus, S. cauleti, S. cylindricus, S. pylomaticus, S. quadratus, S. spatulaeformis, S. sp.


Citation: Spongurus spatulaeformis Clark & Campbell 1942
taxonomic rank: species
Basionym: Spongurus spatulaeformis
Taxonomic discussion: Clark and Campbell 1942

Catalog entries: Spongurus spatulaeformis

Original description: Shell generally cylindrical, nearly three times longer than wide, with two equal, equidistant, angular, spatulalike lobes at the opposite ends, the ventral region as long as both lobes, this region not swollen, the necks separating lobes and midregion very dense, the reticulum being of similar structure through the whole shell, bars of the meshes very thin.
Remarks on original description: [The authors here list this species under the subgeneric name Spongurantha and include the subgeneric name in the species name.


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"

Plot of occurrence data:


Clark, B. L. & Campbell, A. S. (1942a). Eocene radiolarian faunas from the Mt. Diablo area, California. Geological Society of America, Special Papers. 39: 1-112. gs


Spongurus spatulaeformis compiled by the radiolaria@mikrotax project team viewed: 18-5-2024

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