Dendrospyris turriturcica turriturcica

Taxonomy

Catalog entries: Dendrospyris turriturcica turriturcica

Original description: Shell, when viewed anteriorly or posteriorly, showing an elliptical to subangular cephalis without median constriction, and a nar-rower, open, distally tapering thorax. In side view, the shell is markedly compressed.
QTThe sagittal ring extends somewhat more than half the distance from the collar pores to the apex, and from its top arises an apical spine which is incorporated into the shell wall and then extends as a short thorn from the apical surface. Surface of lattice shell puckered at the level of the top of the sagittal ring. Primary and secondary lateral bars well developed.QTLattice shell robust, with pores of unequal size, subeircular on the cephalis and tending to be longitudinally elongated on the thorax. Vertical pore distinct. Termination of thorax uneven, with irregular lamellar teeth not markedly differentiated from the bars separating adjacent pores.

Description

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:

• 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: Dendrospyris turriturcica turriturcica, synonyms included - Dendrospyris turriturcica turriturcica; Lophospyris pentagona quadriforis;
• See also space-time plot :: Samples map :: Parent: Dendrospyris turriturcica

Dendrospyris turriturcica turriturcica compiled by the radiolaria@mikrotax project team viewed: 15-9-2024 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203834 Go to Archive.is to create a permanent copy of this page - citation notes

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