Daughter taxa (time control age-window is: 0-800Ma) | ||||
Globigerinoidesella fistulosa Final chambers compressed and radially elongate with multiple slender digitate extensions. | ||||
Globigerinoidesella sp. Specimens which cannot be assigned to established species |
Catalog entries: Globigerinoidesella
Distinguishing features:
Parent taxon (Globigerinidae): Wall spinose, usually with 3½-6 globular chambers in final whorl, trochospiral or planispiral
This taxon: Supplementary apertures, cancellate wall & elongate extensions to final chamber.
Geographic distribution
Most likely ancestor: Trilobatus - at confidence level 4 (out of 5). Data source: Kennett & Srinivasan 1983; Spezzaferri et al. 2015.
Geological Range:
Last occurrence (top): at top of PL6 [Atl.] zone (100% up, 1.9Ma, in Gelasian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within PL5 [Atl.] zone (2.39-3.13Ma, base in Piacenzian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
El-Naggar, Z. R. (1971a). On the classification, evolution and stratigraphical distribution of the Globigerinacea. In, Farinacci, A. (ed.) Proceedings of the Second Planktonic Conference, Roma 1970. Edizioni Tecnoscienza, Rome (1): 421-476. gsReferences:
Globigerinoidesella compiled by the pforams@mikrotax project team viewed: 14-12-2024
Short stable page link: https://mikrotax.org/pforams/index.php?id=104072 Go to Archive.is to create a permanent copy of this page - citation notes |