radiolaria - rads_cenozoic - Phormostichoartus platycephala

Phormostichoartus platycephala

Classification: rads_cenozoic -> Artostrobiidae -> Phormostichoartus -> Phormostichoartus platycephala
Sister taxa: P. caryoforma, P. corbula, P. crustula, P. doliolum, P. fistula, P. furcaspiculata, P. marylandicus, P. multiseriatus, P. pitomorphus, P. platycephala, P. schneideri, P. strongi, P. sp.


Citation: Phormostichoartus platycephala (Ehrenberg) Caulet 1986
Rank: species
Basionym: Eucyrtidium platycephala
Taxonomic discussion: (Ehrenberg) 1872; This comb. and synonym Caulet 1986

Catalog entries: Eucyrtidium platycephalum

Translated description: [Oblong, with 4 segments; cephalis broadly hemispherical, with indistinct longitudinal ribs and irregular pores; the remaining segments somewhat wider, slightly constricted, with pores in 4 transverse rows, 6 - 9 pores visible in each row. Terminal aperture with an undulate margin. Total length 107 µ, maximum breadth 51 µ, cephalis 33 µ. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: Dubiously synonymized with Botryostrobus aquilonaris (Bailey) by Nigrini 1977[comment from RadWorld database]




Biogeography and Palaeobiology

Similar species

Geographic distribution


Phylogenetic relations

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Lazarus et al. 2015 - "R age group"
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Lazarus et al. 2015 - "R age group"

Plot of occurrence data:


Caulet, J. (1986a). Radiolarians from the Southwest Pacific. Initial Reports of the Deep Sea Drilling Project. 90: 835-861. gs

Ehrenberg, C. G. (1873a). Mikrogeologische Studien als Zusammenfassung seiner Beobachtungen des kleinsten Lebens der Meeres-Tiefgründe aller Zonen und dessen geologischen Einfluss. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1872: 265-322. gs


Phormostichoartus platycephala compiled by the radiolaria@mikrotax project team viewed: 30-11-2022

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