arrayname: original
Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | |||
Cribrohantkenina Final chambers with tubulospines and areal apertures | ||||
Hantkenina Final chambers with tubulospines | Hantkenina nanggulanensis Hantkenina alabamensis Hantkenina primitiva Hantkenina compressa Hantkenina australis Hantkenina dumblei Hantkenina lehneri Hantkenina liebusi Hantkenina mexicana Hantkenina singanoae Hantkenina sp. | |||
![]() | ![]() | ![]() | Clavigerinella Final chambers clavate. | Clavigerinella akersi Clavigerinella caucasica Clavigerinella colombiana Clavigerinella eocanica Clavigerinella jarvisi Clavigerinella sp. |
Catalog entries: Hantkeninidae
Distinguishing features:
Parent taxon (pf_cenozoic): This is a polyphyletic grouping including all Cenozoic planktonic foraminifera
This taxon: Planispiral, wall smooth
Morphology:
Wall type:
Most likely ancestor: Globigerinidae - at confidence level 3 (out of 5). Data source: The ancestor of Clavigerinella is now thought to be Subbotina.
Geological Range:
Last occurrence (top): at top of E16 zone (100% up, 33.9Ma, in Priabonian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within E7a subzone (48.31-50.20Ma, base in Ypresian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Primary source for this page: Coxall & Pearson 2006 - Eocene Atlas, chap. 8, p. 214
Coxall, H. K. & Pearson, P. N. (2006). Taxonomy, biostratigraphy, and phylogeny of the Hantkeninidae (Clavigerinella, Hantkenina and Cribrohantkenina). In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 8): 213-256. gs O Cushman, J. A. (1927e). Some characteristic Mexican fossil foraminifera. Journal of Paleontology. 1(2): 147-172. gs References:
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Hantkeninidae compiled by the pforams@mikrotax project team viewed: 20-4-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=100166 Go to Archive.is to create a permanent copy of this page - citation notes |
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