Dictyoprora urceolus

Taxonomy

Catalog entries: Dictyocephalus urceolus

Original description: Shell smooth, thick-walled, urceolate, with obliterated collar stricture. Length of the two joints = 5: 12, breadth = 4: 10. Cephalis campanulate, with numerous oblique pore-canals. Thorax inflate, with five or six transverse rows of roundish pores of equal size. Mouth constricted, nearly half as broad as the thorax, with a broad hyaline peristome.

Cephalis 50µm long, 40µm broad; thorax 120µm long, 100µm broad.
Remarks on original description: Haeckel listed Dictyocephalus urceolus under the subgeneric name Dictyoprora, but did not include the subgeneric name in the species name.
Stratigraphic information for LM21 from Riedel, 1959, p.287.
Equivalent to ?Eucrytidium Mongolfieri Bury, 1862, pl. v. fig. 2.
New name Theocampe urceolus Foreman, 1973a, modified in Dictyoprora urceolus (Haeckel) by Nigrini 1977]]

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: Dictyoprora urceolus, synonyms included - Dictyopora urceolus; Dictyoprora urceolus; Theocampe callimorphos; Theocampe eos; Theocampe gemmata; Theocampe urceolus;
• See also space-time plot :: Samples map :: Parent: Dictyoprora

Dictyoprora urceolus compiled by the radiolaria@mikrotax project team viewed: 8-12-2023 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203936 Go to Archive.is to create a permanent copy of this page - citation notes

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