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J. Micropalaeontol., 36, 183-190, 2016
https://doi.org/10.1144/jmpaleo2016-019
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
23 Dec 2016
Tarburina zagrosiana n. gen., n. sp., a new larger benthic porcelaneous foraminifer from the late Maastrichtian of Iran
Felix Schlagintweit1, Koorosh Rashidi2, and Farzaneh Barani2 1Lerchenauerstr. 167, D-80935 München, Germany
2Department of Geology, Payame Noor University, PO Box 19395-3697 Tehran, Iran
Keywords: shallow-water carbonates, larger benthic foraminifera, Praerhapydioninidae, taxonomy, biostratigraphy, Zagros Zone Abstract. Anew larger benthic porcelaneous foraminifer of soritid affinity is described as Tarburina zagrosiana n. gen., n. sp. from the late Maastrichtian of the Tarbur Formation, Zagros Zone, SW Iran. It occurs in foraminiferal–dasycladalean wackestones and packstones, in association with Loftusia ssp., dicyclinids/cuneolinids, Neobalkhania bignoti Cherchi & Schroeder, Gyroconulina columellifera Schroeder & Darmoian, Spirolina? farsiana Schlagintweit & Rashidi, Broeckina cf. dufrenoyi (d’Archiac), other benthic foraminifers, and dasycladalean algae. Due to its elongate test and marginal chamber subdivision by aligned vertical partitions, Tarburina n. gen. can be compared with representatives of the Praerhapydionininae. The interio-marginal slit-like foramina/aperture of Tarburina represents an outstanding feature in complex porcelaneous taxa. The monospecific genus Tarburina is considered a Maastrichtian newcomer within the Late Cretaceous Global Community Maturation cycle of larger benthic foraminifera. A biostratigraphic and palaeobiogeographical restriction seems possible, as reported for many other Late Cretaceous larger benthic foraminifera.

Citation: Schlagintweit, F., Rashidi, K., and Barani, F.: Tarburina zagrosiana n. gen., n. sp., a new larger benthic porcelaneous foraminifer from the late Maastrichtian of Iran, J. Micropalaeontol., 36, 183-190, https://doi.org/10.1144/jmpaleo2016-019, 2016.
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