radiolaria - rads_cenozoic - Sphaerozoum crassus radiolaria - rads_cenozoic - Sphaerozoum crassus

Sphaerozoum crassus

Classification: rads_cenozoic -> Sphaerozoidae -> Sphaerozoum -> Sphaerozoum crassus
Sister taxa: S. crassus, S. punctatum, S. sp.


Citation: Sphaerozoum crassus Goll 1980
taxonomic rank: species
Basionym: Sphaerozoum crassus
1980 Sphaerozoum crassus - Goll pl. 1, figs. 3-5

Catalog entries: Sphaerozoum crassus

Original description: Axial rod 42-65m long, 8-12µm in diameter, circular in cross section. Two or four simple spines, approximately equal in length to the axial rod, radiate in equi-angular clusters from each end of tr axial rod. All surfaces of the axial rod and spines bear a profusion of minute spines or nodes.


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"

Plot of occurrence data:


Goll, M. R. (1980). Pliocene-Pleistocene radiolarians from the East Pacific Rise and the Galapagos spreading center, Deep Sea Drilling Project Leg 54. Initial Reports of the Deep Sea Drilling Project. 54: 425-453. gs


Sphaerozoum crassus compiled by the radiolaria@mikrotax project team viewed: 19-6-2024

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