radiolaria - rads_cenozoic - Phormocyrtis embolum

radiolaria - rads_cenozoic - Phormocyrtis embolum radiolaria - rads_cenozoic - Phormocyrtis embolum

Phormocyrtis embolum

Classification: rads_cenozoic -> Pterocorythidae -> Phormocyrtis -> Phormocyrtis embolum
Sister taxa: P. alexandrae, P. cubensis, P. embolum, P. ligulata, P. proxima, P. striata, P. turgida, P. sp.

Taxonomy

Citation: Phormocyrtis embolum Ehrenberg 1873

Rank: species

Basionym: Phormocyrtis embolum

Taxonomic discussion: Ehrenberg, 1873, p.228

Catalog entries: Eucyrtidium embolum

Type images:

x: E. embolum

Original description: [3-segmented, smooth, with cephalis subglobose and not porous, terminating in a strong spine (broken), with a large, hyaline, median spot. Second segment constricted anteriorly, and dilated from the middle, sublageniform, passing into the third segment without strictures. Third segment narrower posteriorly and then cylindro-conical, the posterior margin torn (or truncate ?). Smooth surface ribs provided with a single row of pores ornament both segments of the shell. Total length 175 µ, of the cephalis 28 µ, of second segment 56 µ, of third segment 86 µ. (Translated from Latin by E.M.R. and W.R.R.)]

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: Phormocyrtis embolum, synonyms included - Phormocyrtis embolum; Phorticium embolum;
See also space-time plot :: Samples map :: Parent: Phormocyrtis

References:

Ehrenberg, C. G. (1874b). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs V O

Phormocyrtis embolum compiled by the radiolaria@mikrotax project team viewed: 29-5-2023

Taxon Search:

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AphiaID: not found
Short stables page link: https://mikrotax.org/radiolaria/index.php?id=204998 Go to Archive.is to create a permanent copy of this page - citation notes

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