Daughter taxa (time control age-window is: 0-800Ma) | Granddaughter taxa | |||
 |  |  | Blefuscuiana | Blefuscuiana alobata Blefuscuiana cumulus Blefuscuiana daminiae Blefuscuiana depressa Blefuscuiana implana Blefuscuiana laculata Blefuscuiana sp. |
 |  |  | Gorbachikella | Gorbachikella depressa Gorbachikella grandiapertura Gorbachikella kugleri Gorbachikella neilii Gorbachikella sp. |
Taxonomy
Original description: Diagnosis. Globigerinacea with trochospiral tests, in which the primary aperture is intraumbilical or intraumbilical-extraumbilical and which possess a microperforate wall lacking muricae, crystallite pustules or spine bases; differs from the Favusellacea in its lack of muricae (and in possessing a calcitic test) and from the Schackoinidae in not becoming planospiral.
Entries in the Catalog of original descriptions: Praehedbergellidae
Distinguishing features:
Parent taxon (pf_mesozoic):
This taxon: Globigerinacea with trochspiral tests, in which the primary aperture is intraumblical or intraumbilical-extraumbilical and which possess a microperforate wall lacking muricae, crystallite pustules, or spine bases; differs from the Favusellacea in its lack of muricae (and in possessing a calcitic test) and from the Schackoinidae in not becoming planispiral.
Geological Range:
Last occurrence (top): at top of Aptian Stage (100% up, 113Ma, in Aptian stage). Data source: Total of range of species in this database
First occurrence (base): in upper part of Valanginian Stage (80% up, 135Ma, in Valanginian stage). Data source: Total of range of species in this database
Plot of range and occurrence data:
References:
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Praehedbergellidae compiled by the pforams@mikrotax project team viewed: 21-3-2023
Short stable page link: https://mikrotax.org/pforams/index.php?id=110444 Go to Archive.is to create a permanent copy of this page - citation notes |
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