Thoracosphaera wombatensis


Classification: Mesozoic -> hidden -> deleted -> Thoracosphaera wombatensis
Sister taxa: << < N. erbae, Obliquipithonella, O. prasina, O. rhombica, Orthopithonella, O. geometrica, O. misurinae, P. geometrica, P. charlotteii, P. fistulatus, S. pseudobiskayae, S. gephyrion, S. acutiferrus, S. laffittei, Thoracosphaera, T. wombatensis, W. communis, L. primigenius, T. senarius, S. cotortuosus, N. funiculus group, L. imprimus,


Taxonomy:

Citation: Thoracosphaera wombatensis Bralower et al. 1991

Farinacci & Howe catalog pages: Thoracosphaera wombatensis

Original description: Bowl-, saucer- or hat-shaped nannofossil which is open on one side (e.g. Plate VII, 1, 7 ). Rim flares to a variable extent. Composed of coarse, interlocking elements (e.g., Plate VII, 11 ).

Type images:


Morphology remarks: Typical hemispherical, wall with coarse texture, ?tangential crystallographic orientation

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in stage). Data source: Total of range of species in this database

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: deleted

    References:

    Bralower, T. J., Bown, P. R. & Siesser, W. (1991). Significance of Upper Triassic nannofossils from the Southern Hemisphere (ODP Leg 122, Wombat Plateau, NW Australia). Marine Micropaleontology. 17: 119-154. gs

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    Thoracosphaera wombatensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-10-2019

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