radiolaria - rads_cenozoic - Dictyoprora armadillo

Dictyoprora armadillo


Classification: rads_cenozoic -> Artostrobiidae -> Dictyoprora -> Dictyoprora armadillo
Sister taxa: D. amphora, D. armadillo, D. mongolfieri, D. ovata, D. physothorax, D. pirum, D. salillum, D. urceolus, D. sp.

Taxonomy

Citation: Dictyoprora armadillo (Ehrenberg 1873)
Rank: species
Basionym: Eucyrtidium armadillo Ehrenberg 1873
Taxonomic discussion: (Ehrenberg) 1873, 1875; Nigrini 1977

Catalog entries: Eucyrtidium armadillo

Original description: [2-segmented, smooth, with cephalis ovate, porous, substriate, armed with a strong frontal spine with thorns at the base. Second segment ovate-oblong, girdled by very many transverse rows of pores, truncate and slightly constricted posteriorly. 14 rows of pores, approximately 4 pores in 23 µ. (Translated from Latin by E.M.R. and W.R.R.)]

Length without spine 31µm, of the second segment 98µm; maximum breadth 62µm.

Description


Morphology:


Size:

Biogeography and Palaeobiology


Similar species: armadillo

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:

References:

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

Nigrini, C. A. (1977). Tropical Cenozoic Artostrobiidae (Radiolaria). Micropaleontology. 23(3): 241-269. gs


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Dictyoprora armadillo compiled by the radiolaria@mikrotax project team viewed: 30-9-2022

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