radiolaria - rads_cenozoic - Dictyoprora pirum radiolaria - rads_cenozoic - Dictyoprora pirum

Dictyoprora pirum


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

Taxonomy

Citation: Dictyoprora pirum (Ehrenberg 1873)
taxonomic rank: species
Basionym: Eucyrtidium pirum Nigrini 1977
Taxonomic discussion: (Ehrenberg) 1873 p.232; 1875 pl.10 fig.14 as Eucyrtidium; Nigrini 1977 p.251 pl.4 fig.8; Neogene; Eucyrtidium pyrum (Ehrenberg)

Catalog entries: Eucyrtidium pirum

Original description: [2-segmented, pyriform, smooth; cephalis campanulate, large and unarmed, with pores in approximately longitudinal rows. Second segment constricted at each end, globosely swollen medianly) with the terminal aperture narrow and with a sub-even margin. Surface provided with widely separated transverse rows of pores. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [New name Theocampe pirum (Ehrenberg) Haeckel, modified as Dictyoprora pirum 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:

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

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


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Dictyoprora pirum compiled by the radiolaria@mikrotax project team viewed: 29-2-2024

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