radiolaria - rads_cenozoic - Acrosphaera australis radiolaria - rads_cenozoic - Acrosphaera australis

Acrosphaera australis

Classification: rads_cenozoic -> Collosphaeridae -> Acrosphaera -> Acrosphaera australis
Sister taxa: A. arktios, A. australis, A. collina, A. cyrtodon, A. flammabunda, A. labrata, A. lappacea, A. mercurius, A. murrayana, A. pseudarktios, A. setosa, A. spinosa, A. transformata, A. trepanata, A. sp.


Citation: Acrosphaera australis Lazarus 1990
taxonomic rank: species
Basionym: Acrosphaera australis
1990 Acrosphaera australis - Lazarus pl. 1, figs. 1-6
Taxonomic discussion: Lazarus 1990 (ODP 113 SR) p 712-713 pl 1 figs 1-6

Catalog entries: Acrosphaera australis

Original description: Smooth, hyaline sphere with large, irregularly spaced and shaped pores extended outward radially into tubes tube tips flared and in many of the pores joined to adjacent tube tips to form outer layer of hyaline bands or bridges between tube tips.


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:


Lazarus, D. (1990). Middle Miocene to Recent radiolarians from the Weddell Sea, Antarctica, ODP Leg, 113. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 709-727. gs


Acrosphaera australis compiled by the radiolaria@mikrotax project team viewed: 28-2-2024

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