radiolaria - rads_cenozoic - Phorticium clevei radiolaria - rads_cenozoic - Phorticium clevei

Phorticium clevei


Classification: rads_cenozoic -> Litheliidae -> Larnacillidae -> Phorticium -> Phorticium clevei
Sister taxa: P. clevei, P. multispinum, P. polycladum, P. pylonium, P. strobilinum, P. sp.

Taxonomy

Citation: Phorticium clevei (Joergensen) Petrushevskaya 1967
taxonomic rank: species
Basionym: Tetrapylonium clevei
Taxonomic discussion: (Jørgensen) 1900, p. 64; Petrushevskaya and Bjørklund 1974 p.40 fig.7

Catalog entries: Tetrapylonium clevei

Original description: Aeussere Schale im Umriss subrectangulär oder subquadratisch, 0,125 mm. lang und fast ebenso breit, mit 2 Gürteln. Poren unregelmässig rundlich, sehr ungleich gross, 0,004 bis 0,010 mm. breit; Wandstarke ungefähr 0,003 mm. Zahlreiche nadelförmige Nebenstacheln, bis 0,025 mm. lang.
Mittlere Schale ellipsoidisch, 0,062 mm. lang, 0,052 breit, durch 15 bis 20 starke Radialbalken mit der äusseren verbunden. Poren unregelmässig und ungleich, Innerstes Gürtelsystem ellipsoidisch, 0,037 mm. lang, 0,028 breit.
Remarks on original description: [Jørgensen places Phorticium pylonium Cleve, 1899a, p.31, pl.3, fig.2 a, b (non c); non Phorticium clevei Hck., in synonymy with this new species.
Synonymized with Phorticium pylonium by Riedel, 1958
New name Phorticium clevei (Jørgensen) by Petrushevskaya, 1967]

Description

Biogeography and Palaeobiology

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:

References:

Jørgensen, E (1900). Protophyten und Protozoen im Plankton aus der norwegischen Westkuste. Bergens Museums Aarbog. 1899(6): 51-95. gs O

Petrushevskaya, M. G. & Bjørklund, K. R. (1974). Radiolarians in Holocene sediments of the Norwegian-Greenland seas. Sarsia. 57: 33-46. gs


logo

Phorticium clevei compiled by the radiolaria@mikrotax project team viewed: 20-6-2024

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205027 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image
Powered by Commentics

Comments

No comments yet. Be the first!