radiolaria - rads_cenozoic - Dictyophimus archipilium radiolaria - rads_cenozoic - Dictyophimus archipilium

Dictyophimus archipilium


Classification: rads_cenozoic -> Theoperidae -> Lychnocaniidae -> Dictyophimus -> Dictyophimus archipilium
Sister taxa: D. archipilium, D. bicornis, D. bullatus, D. caia, D. constrictus, D. craticula, D. crisiae, D. hirundo, D. histricosus, D. infabricatus, D. killmari, D. macropterus, D. okadai, D. pocillum, D. splendens, D. sp.

Taxonomy

Citation: Dictyophimus archipilium Petrushevskaya 1975
Taxonomic rank: species
Basionym: Dictyophimus archipilium
Synonyms:
1975 Dictyophimus (?) archipilium - Petrushevskaya p.583; pl.25, figs.1-2

From Suzuki Paleotax db:

1975 Dictyophimus (?) archipilium n. sp. Petrushevskaya p. 583-584, pl. 25, figs. 1, 2
1978 Dictyophimus archipilium Petrushevskaya Dumitrica p. 242, pl. 1, fig. 8
1997 Dictyophimus aff. archipilium Petrushevskaya Hollis p. 82, pl. 22, figs. 5-7
2017 Dictyophimus archipilium Petrushevskaya Chen et al. p. 182-183, pl. 61, figs. 1, 2

Catalog entries: Dictyophimus archipilium

Original description: Differs from D. hirundo by the smaller cephalic, thoracic, and abdominal dimensions. The main shell construction is the same. Only the apical horn is weak, but that characteristic is also known for some races of D. hirundo (Petrushevskaya and Kozlova, 1972). The pores in D. archipilium are arranged in transverse rows similar to Archipilium species.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"

Plot of occurrence data:

References:


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Dictyophimus archipilium compiled by the radiolaria@mikrotax project team viewed: 22-7-2026

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