Cycladophora spongothorax
Classification: rads_cenozoic -> Theoperidae -> Theopilidae -> Cycladophora -> Cycladophora spongothorax
Sister taxa: C. antiqua, C. bicornis, C. cabrilloensis, C. campanula, C. conica, C. cosma, C. davisiana, C. golli, C. humerus, C. pliocenica, C. robusta, C. sakaii, C. spongothorax, C. tetracantha, C. sp.
Taxonomy
Citation: Cycladophora spongothorax (Chen) Lombari and Lazarus 1988Rank: speciesBasionym: Theocalyptra bicornis spongothorax Taxonomic discussion: (Chen) 1975 p.462 pl.12 figs.1-3; Lombari and Lazarus 1988 p.122 pl.9 figs.7-12
Catalog entries:
Theocalyptra bicornis spongothorax
Type images:
type material: T. bicornis spongothorax
Description
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:
- Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
- Triangles indicate an event for which a precise placement has been suggested
- Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
- Taxon plotted: Cycladophora spongothorax, synonyms included - Cycladophora spongothorax; Theocalyptra bicornis spongothorax;
- See also space-time plot ::
Samples map :: Parent: Cycladophora
References:
Chen, P. H. (1975). Antarctic Radiolaria. Initial Reports of the Deep Sea Drilling Project. 28: 437-513. gs
Lombari, G. & Lazarus, D. (1988). Neogene cycladophorid radiolarians from North Atlantic, Antarctic, and North Pacific deep-sea sediments. Micropaleontology. 34(2): 97-135. gs