Catalog entries: Collosphaera polygona
Original description: Shell irregular polygonal, with very delicate, irregular network of polygonal meshes, four to twelve times as broad as the bars. Ten to twenty pores on the half meridian of the shell.
Diameter of the shell 0.1 to 0.2, of the pores 0.012 to 0.004, of the bars 0.001 to 0.002.
Remarks on original description: = Collosphaera huxleyi var. in Haeckel, 1862, pl.34, fig.5
Haeckel listed Collosphaera polygona under the subgeneric name Dyscollosphaera, but did not include the subgeneric name in the species name.
Morphology:
Size:
Similar species
Geographic distribution
Paleobiology
Phylogenetic relations
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:
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Collosphaera polygona compiled by the radiolaria@mikrotax project team viewed: 30-1-2023
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