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Neogallitellia


Classification: pf_cenozoic -> Benthic origins -> Neogallitellia
Sister taxa: Bolivina, Neogallitellia, Streptochilus
Daughter taxa (time control age-window is: 0-800Ma)
Neogallitellia vivans
monospecific
Neogallitellia sp.
Specimens which cannot be assigned to established species

Taxonomy

Citation: Neogallitellia Özdikmen 2009
Taxonomic rank: genus
Type species: Guembelitria vivans Cushman, 1934
Synonyms:
Taxonomic discussion: All Cretaceous and Paleogene triserial forms posses an asymmetrical aperture with a small toothplate. For this reason we include Jenkinsina in the synonymy of Guembelitria. Gallitellia, however, differs from Guembelitria in more than ornamentation alone. It lacks both the distinct apertural lip found in Guembelitria as well as a toothplate. These differences appear to be more fundamental. We therefore retain the genus Gallitellia. [Kroon & Nederbragt 1990]


Catalog entries: Gallitellia, Neogallitellia

Distinguishing features:
Parent taxon (Benthic origins): Biserial (separate evolutionary origin)
This taxon: Initially biserial may become multiserial, smooth, microperforate wall; aperture simple (no lip or toothplate).

NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus.
They are being edited as the site is developed and comments on them are especially welcome.

Description

Character matrix
test outline:Triangularchamber arrangement:Triserialedge view:-aperture:-
sp chamber shape:-coiling axis:N/Aperiphery:-aperture border:-
umb chbr shape:-umbilicus:-periph margin shape:-accessory apertures:None
spiral sutures:-umb depth:-wall texture:-shell porosity:-
umbilical or test sutures:-final-whorl chambers:0-0 N.B. These characters are used for advanced search. N/A - not applicable

Biogeography and Palaeobiology


Geographic distribution

Most likely ancestor: Benthic foraminifera - at confidence level 0 (out of 5). Data source: .

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Late Pliocene Sub-Epoch (2.59-3.60Ma, base in Piacenzian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

Primary source for this page: Kroon & Nederbragt 1990

References:

Brummer, G-J. A. & Kucera, M. (2022). Taxonomic review of living planktonic foraminifera. Journal of Micropalaeontology. 41: 29-74. gs

Kroon, D. & Nederbragt, A. J. (1990). Ecology and paleoecology of triserial planktic foraminifera. Marine Micropaleontology. 16: 25-38. gs

Loeblich, A. R. & Tappan, H. (1986). Some new and revised genera and families of hyaline calcareous Foraminiferida (Protozoa). Transactions of the American Microscopical Society. 105: 239-265. gs

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Neogallitellia compiled by the pforams@mikrotax project team viewed: 17-1-2025

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Comments (4)

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I was more than reluctant to introduce those new replacement names. "Unfortunately" they are available and valid. ICZN is very clear on homonymy but if you know of a way to conserve the foram name...

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Hello

Gallitellia Loeblich & Tappan, 1986 (preoccupied) was replaced by Neogallitellia Özdikmen, 2009. Please see: http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=526505

Best,

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Thanks - a necessary evil.

Jeremy

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I've looked into this a bit further and it is not totally straightforward, since the name Gallitellia Cuif 1977 was apparently an objective junior synonym, so at the very least the relevant specialists could legitimately apply to conserve the foram name.