Conusphaera rothii subsp. rothii

Classification: Mesozoic -> Nannoliths inc sedis -> Eoconusphaeraceae -> Conusphaera -> Conusphaera rothii -> Conusphaera rothii subsp. rothii
Sister taxa: C. rothii subsp. minor, C. rothii subsp. rothii,

Distinguishing features: Large form of C. rothii - >4 µm


Citation: Conusphaera rothii subsp. rothii Jakubowski 1986
Rank: sub-species
Basionym: Cretaturbella rothii Thierstein, 1971
Notes & discussion: Separation of large and small forms of C. rothii was introduced by Varol & Bowman 2019

Farinacci & Howe catalog pages:

Distinguishing features: Large form of C. rothii - >4 µm

Search data:
TagsLITHS: nannolith-radiate, elliptical, cylindrical, CA: closed, DETAILS: rim-unicyclic,
MetricsLith size: 4->6µm;
Sources: original description & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Early Aptian Substage (122.98-126.30Ma, top in Aptian stage). Data source: Varol & Bowman 2019
First occurrence (base): within Early Tithonian Substage (147.72-152.06Ma, base in Tithonian stage). Data source: Varol & Bowman 2019

Plot of occurrence data:

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


    Jakubowski, M. (1986). New calcareous nannofossil taxa from the Lower Cretaceous of the North Sea. INA Newsletter. 8: 38-42. gs :: view :: open

    Thierstein, H. R. (1971). Tentative Lower Cretaceous Calcareous Nannoplankton Zonation. Eclogae Geologicae Helvetiae. 64: 459-488. gs :: view :: open

    Varol, O. & Bowman, A. R. (2019). Taxonomic revision of selected Late Jurassic (Tithonian) calcareous nannofossils and the application of mobile mounting. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen. 291: 65-87. gs :: ::


    Conusphaera rothii subsp. rothii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-6-2020

    Taxon Search:
    Advanced Search

    Short stable page link: Go to to create a permanent copy of this page - citation notes

    Comments (0)

    No comments yet on this page. Please do add comments if you spot any problems, or have information to share

    Add Comment

    * Required information
    Captcha Image
    Powered by Commentics