radiolaria - rads_cenozoic - Tribonosphaera centripetalis

Tribonosphaera centripetalis


Classification: rads_cenozoic -> Collosphaeridae -> Tribonosphaera -> Tribonosphaera centripetalis
Sister taxa: T. centripetalis, T. sp.

Taxonomy

Citation: Tribonosphaera centripetalis Haeckel 1887
Rank: species
Basionym: Tribonosphaera centripetalis

Catalog entries: Tribonosphaera centripetalis

Original description: Shell roundish or subspherical, with numerous small circular or roundish pores, about twice as broad as the bars. Twenty to thirty pores on the half meridian of the shell. Outside of the shell smooth, inside a variable number (ten to twenty) of thin, radial, centripetal sticks or spines, one third or one-half as long as the radius of the shell. (In the central capsule many very large crystals, resting after the destruction of the capsule.)

Diameter of the shell 0.1 to 0.12, of the pores 0.003 to 0.005, of the bridges 0.001 to 0.002; length of the inner centripetal sticks 0.02 to 0.03.

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:


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Tribonosphaera centripetalis compiled by the radiolaria@mikrotax project team viewed: 21-9-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205911 Go to Archive.is to create a permanent copy of this page - citation notes



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