radiolaria - rads_cenozoic - Siphonosphaera magnisphaera radiolaria - rads_cenozoic - Siphonosphaera magnisphaera

Siphonosphaera magnisphaera


Classification: rads_cenozoic -> Collosphaeridae -> Siphonosphaera -> Siphonosphaera magnisphaera
Sister taxa: S. abyssi, S. cyathina, S. hyalina, S. magnisphaera, S. martensi, S. patinaria, S. polysiphonia, S. socialis, S. tenera, S. tubulosa, S. vesuvius, S. sp.

Taxonomy

Citation: Siphonosphaera magnisphaera Takahashi 1991
taxonomic rank: species
Basionym: Siphonosphaera magnisphaera
Synonyms:
1991 Siphonosphaera magnisphaera - Takahashi p.59; pl. 4, fig. 1, 3
1992 Siphonosphaera magnisphaera - Lazarus p.795; pl.2, figs. 9-10; pl.5, figs.11-14
Taxonomic discussion: Lazarus 1992

Catalog entries: Siphonosphaera magnisphaera

Original description: Shell large, spherical, with numerous subcircular to polygonal small pores and 10 17 large polygonal pores of 1/4 1/2 length of the shell diameter. Number of the small and large pores are ca. 30 40 and 2 4 respectively on the half meridian. The large pores form very short tubules.

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:

Lazarus, D. (1992). Antarctic Neogene radiolarians from the Kerguelen Plateau, Legs 119 and 120. In, Wise, S. W. Jr. , Schlich, R. et al. (ed.) . Proceedings of the Ocean Drilling Program, Scientific Results . 120: 785-809. gs

Takahashi, K. (1991). Radiolaria: Flux, ecology, and Taxonomy in the Pacific and Atlantic. Ocean Biocoenosis Series. 3: 1-301. gs


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Siphonosphaera magnisphaera compiled by the radiolaria@mikrotax project team viewed: 23-7-2024

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