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Fig. 8 Dictyoconus bakhtiari n in Orbitolinid Foraminifera From The Late Maastrichtian Of The Tarbur Formation (Zagros Zone, Sw Iran)
Fig. 8 Dictyoconus bakhtiari n. sp. from the late Maastrichtian of the Tarbur Formation, Mandegan section (c) and Naghan section (all others), SW Iran. a Oblique section passing the eccentric initial spire. b–e, h–j Oblique sections; affecting five chambers in b. Note the broadening of the distal end of the beams in b–d, i. f Tangential-oblique section. g Tangential oblique section of a microspheric specimen. Abbreviations: be = beam, fo = foramen, is = initial spire, pi = pillar, s = septum. Thin-sections: Ng 53-2 (a), 2NG 52 (b), Rt 62-1 (c), Ng 53-1 (d, h), Ng 52-1 (e), 2NG 32 (f, j), Ng 87-2 (g), 2NG 53 (i).
Fig. 3 in Persiella Pseudolituus N. Gen., N. Sp., And Flabelloperforata Tarburensis N. Gen., N. Sp., Two New Larger Benthic Foraminifera From The Upper Maastrichtian Of Iran
Fig. 3 Typical microfacies of samples with Flabelloperforata tarburensis n. gen., n. sp (F in a–b), and Persiella pseudolituus n. gen., n. sp. (Ps in c–d), from the upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a–b Wackestones/packstones with benthic foraminifera, among many porcelaneous and agglutinating taxa such as Dicyclina sp. (Di), Tarburina zagrosiana Schlagintweit, Rashidi & Barani (T), Dictyoconus bakhtiari Schlagintweit, Rashidi & Babadipour (D) and remains of dasycladalean algae (d in b). c Wackestone with small and larger benthic foraminifera and oblique longitudinal section of the dasycladale Pseudocymopolia cf. anadyomenea (Elliott) (P). d Grainstone/packstone with Omphalocyclus macroporus Lamarck (O), Dictyoconella? minima Henson (Dic), and slightly oblique axial section of Persiella pseudolituus n. gen., n. sp. (Ps). Thin-sections: 2NG 81-4 (a), 2NG 120 (b), 2NG 166 (c), 2NG 177 (d).
Fig. 2 in Persiella Pseudolituus N. Gen., N. Sp., And Flabelloperforata Tarburensis N. Gen., N. Sp., Two New Larger Benthic Foraminifera From The Upper Maastrichtian Of Iran
Fig. 2 Location of the Naghan and Mandegan sections, the type localities of Flabelloperforata tarburensis n. sp., and Persiella pseudolituus n. gen., n. sp. (taken from google maps)
Fig. 5 in Orbitolinid Foraminifera From The Late Maastrichtian Of The Tarbur Formation (Zagros Zone, Sw Iran)
Fig. 5 Dictyoconella? minima Henson from the late Maastrichtian of the Tarbur Formation, SW Iran (Naghan section: a– b, j, l; Mandegan section: c–i, k, m–p). a Subaxial section. b, i, l Oblique sections. Note oval test outline in k. c–e, m Deep tangential sections displaying primary septules (beams) continuous from one chamber to the next. f Shallow tangential section displaying subepidermal network of beams and rafters. g, j, l, o–p Different transverse sections, some slightly oblique. Note five marginal foramina arranged in a radial circle (inside yellow marked rectangle), and oval test outline in j. h Subaxial section. Note alternation of pillars by stairway-like arrangement of foramina (yellow line) and opaque fused pillars/secondary deposits in the central zone. k Detail from h showing marginal foramina arranged in vertical lines between successive chambers. n Tangential-oblique section. Abbreviations: b = beam, ib = intercalary beam, fo = foramina, mf = marginal foramina, mt = marginal through, pi = pillar, s = septum. Thin-sections: Ng 196 (a), Ng 192 (b), Rt 108-3 (c–e, g, n), Rt 104 (f), Rt 96 (h, k), Rt 108-6 (i), Ng 187 (j), Ng 186 (l), Rt 107 (m), Rt 102-2 (o), Rt 104 (p).
Fig. 5 Russoella parthica n in Dasycladalean Fossil Green Algae From The Maastrichtian-Paleocene Of Balkh Province (N Afghanistan)
Fig. 5 Russoella parthica n. sp. a-c, e-k, l (left specimen), m-n paratypes; d holotype, middle-upper Maastrichtian; a-g, equatorial to transversal sections, h-i, respectively oblique and axial sections, j-n, tangential and marginal oblique sections. o-p Terquemella sp., oblique, not centered sections, middle-upper Maastrichtian. l (right specimen), q, r Terquemella sp.; l (right specimen), oblique section; q, r, respectively axial or tangential and transversal sections, middle-upper Maastrichtian. s, t Jodotella cf sloveniaensis Deloffre & Radoičić, oblique sections, Paleocene. u, v Terquemella globularis Elliott, axial and tangential sections respectively, lower Maastrichtian. Thin sections: a-r: S4 (= BA.4250), s, t: Sh6 (= BA.4258), u, v: T13 (= BA.4244). Locality: environs of Kholm (N Afghanistan). Scale bar: a-c, e-r = same of d; v= same of u.
Fig. 2 in Dasycladalean Fossil Green Algae From The Maastrichtian-Paleocene Of Balkh Province (N Afghanistan)
Fig. 2 Stratigraphic column of the studied series cropping out 6 km SW of Kholm (Balkh province, N. Afghanistan). The asterisk specifies the horizon with Russoella parthica n.sp.
Fig. 10 a-c, e, f in Dasycladalean Fossil Green Algae From The Maastrichtian-Paleocene Of Balkh Province (N Afghanistan)
Fig. 10 a-c, e, f Cymopolia sp., a, two articles in oblique section, b, e, f, sterile specimens in oblique sections, c, fertile specimen in subtransversal section. d, g Orioporella malaviae Pia, d, oblique section of a whorl, notice the perforate calcareous wall; g, tangential section. Thin section: a-g, Sh6 (= BA.4258). Age and locality: Paleocene, environs of Kholm (N Afghanistan)
Fig. 7 in Suraqalatia Brasieri Görmuş, Lawa & Nuaimy, 2017 (Larger Benthic Foraminifera; Suraqalatiidae N. Fam.) From The Late Maastrichtian Of The Tarbur Formation (Zagros Fold-Thrust-Belt) And Remarks On Dicyclina Munier-Chalmas, 1887
Fig. 7 Dicyclina schlumbergeri Munier-Chalmas, Late Maastrichtian Tarbur Formation of the Naghan section. a–b Oblique equatorial sections showing embryonic chamber, kidney-shaped in outline. Note the presence of primary partitions only (arrows). c Oblique section of a juvenile specimen. d, f Partial, slightly oblique axial sections. e Fragmentary equatorial section. Scale bars = 1 mm. Thin-sections: 2NG 191 (a), NG 83 (b), NG 13-1 (c), NG 34 (d), NG 49 (e), 2NG 34 big (f).
Fig. 3 in Suraqalatia Brasieri Görmuş, Lawa & Nuaimy, 2017 (Larger Benthic Foraminifera; Suraqalatiidae N. Fam.) From The Late Maastrichtian Of The Tarbur Formation (Zagros Fold-Thrust-Belt) And Remarks On Dicyclina Munier-Chalmas, 1887
Fig. 3 Suraqalatia brasieri Görmüş, Lawa & Al Nuaimy, upper Maastrichtian Tarbur Formation of Mandegan (a, c) and Naghan sections (b, d, f); oblique, partly tangential sections. e development of annular chambers (in grey) in some orbitolinids (modified from Douglass, 1960, fig. 21) and two sections (X–X' and Y–Y') comparable to those illustrated in a–d, and f. Abbreviations: b = beam, ch = chamber, ib = intercalary beam, s = septum, sn = subepidermal network. Thin-sections: Rt 63 (a), 2NG 183 (b), Rt 36 (c), 2NG 146 (d), 2NG 169 (f).
Fig. 6 in Suraqalatia Brasieri Görmuş, Lawa & Nuaimy, 2017 (Larger Benthic Foraminifera; Suraqalatiidae N. Fam.) From The Late Maastrichtian Of The Tarbur Formation (Zagros Fold-Thrust-Belt) And Remarks On Dicyclina Munier-Chalmas, 1887
Fig. 6 Dicyclina sampoi Cherchi & Schroeder, from the Cenomanian of the Sarvak Formation, Zagros Zone, SW Iran, slightly oblique axial section (from Omidvar et al., 2014, fig. 3.10 as Dicyclina schlumbergeri). Megalospheric specimen showing embryonic apparatus and bilateral symmetric pores (foramina) enabling the communication with the first cyclic postembryonic chamber. These are located between the supra- (upper; in yellow) and subembryonic zones (below; in red) (arrows). Both zones are subdivided by primary (b = beams) and secondary partitions (ib = intercalary beams).
Fig. 3 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 3 Wall-structure of Persiacyclammina maastrichtiana n. gen., n. sp. from the upper Maastrichtian of SW Iran Thin-section: NG 83-1.
Fig. 1 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 1 Location of the Naghan section, the type locality of Persiacyclammina maastrichtiana n. gen., n. sp.
Fig. 6 Zagrosella rigaudii n.gen., n in Zagrosella Rigaudii N. Gen., N. Sp., A New Biokovinoidean Foraminifer From The Maastrichtian Of Iran
Fig. 6 Zagrosella rigaudii n.gen., n.sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a– d, g, Oblique equatorial sections. e–f, h–i, Oblique sections. Abbreviations: p = proloculus, pi = pillar, t = structures interpreted as cryptoendolithic thaumatoporellaceans. Thin-sections: 2NG 98 (a), NG 92 (b), NG 91 (c), 2NG 85 (d), NG 49 (e), NG 86 (f), 2NG 84 (g), NG 83-2 (h), NG 84 (i)
Fig. 5 Zagrosella rigaudii n.gen., n in Zagrosella Rigaudii N. Gen., N. Sp., A New Biokovinoidean Foraminifer From The Maastrichtian Of Iran
Fig. 5 Zagrosella rigaudii n.gen., n.sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, c, Equatorial sections, b, d–g, Oblique equatorial sections. h, Equatorial section of a microspheric specimen. Abbreviations: p = proloculus, pi = pillar, t = structures interpreted as cryptoendolithic thaumatoporellaceans. Thin-sections: NG 88 (a), 2NG 94 (b), 2NG 91 (c), 2NG 85 (d), NG 88 (e), NG 14 (f), 2NG 98 (g), NG 38-1 (h).
Fig. 4 in Zagrosella Rigaudii N. Gen., N. Sp., A New Biokovinoidean Foraminifer From The Maastrichtian Of Iran
Fig. 4 Wall-structure of Zagrosella rigaudii n.gen., n.sp. from the upper Maastrichtian of SW Iran (a–b) and Biokovina gradacensis Gušić from the Liassic of Croatia (c–d). Polygonal parapores are marked with an arrow in a. Thin-sections: 2NG 27 (a), 2NG 87 (b). Remarks and comparisons: The wall structure of Zag- the Late Cretaceous, it can be compared to some extent rosella with its "uniform, parallel, radial elements cov- (e.g., similar wall-structure, strengthenings) with Braciered by some kind of tectum" (Hottinger, 2006, p. 29) can ana Schlagintweit & Cvetko-Tesovic, 2016 (Santonian?- be compared with the keriotheca-like (or pseudokerithe- lower Campanian of Croatia). The latter differs from cal) texture of some Mesozoic larger benthic foraminifera Zagrosella n.gen. above all by its test morphology (elon- (e.g., Schroeder et al., 1975; De Castro, 1981; Septfon- gate compressed), and the foraminal characteristics (sevtaine, 1981; Banner et al., 1991; Rigaud et al., 2015). eral close-set openings, equal in diameter to the wall al- Regarding differences to parapores (or canaliculi), the veolae, and may have short peristomal rims at their mardifferences are vague and not clearly delimited (Hot- gins) (see Schlagintweit and Cvetko-Tešović, 2016 for tinger, 2006: "usually much larger"…"often more irregu- details). lar"). Zagrosella n.gen. is morphologically very similar to Last but not least we note morphological similarities the Liassic Biokovina Gušić, 1977, both monospecific to the Late Jurassic Labyrinthina Weynschenk that differs genera. The wall structure of Zagrosella appears more above all from Zagrosiella by its wall being "agglutinatevolved with larger parapores (diameter 0.01 to 0.03 mm, ed, simple in structure, microgranular, imperforate" see description below) whereas in Biokovina these are (Loeblich and Tappan (1987, p. 96). thinner (but with overlapping range), and bifurcating (diameter ~0.01 to 0.15 mm). There are also differences in Zagrosella rigaudii Schlagintweit & Rashidi, n.sp. the endoskeletal structures, being more massive (in the Figs. 3 pars, 4a–b, 5–7 central part of the test) and may fuse in Biokovina where- Origin of the name: The species name refers to Sylvain as in Zagrosella they occur preferentially on the sides of Rigaud (Singapore) for his outstanding contributions to the chambers, sometimes only partially differentiated the micropalaeontology and phylogeny of benthic foramfrom the chamber wall, and never fused. They are here inifera. interpreted as pillars (originating from the septa), not as Holotype: Slightly oblique equatorial section illustrated septula (originating from the wall) (see Hottinger, 2006) in Figure 5A, thin-section NG 88. or strengthenings (see Rigaud et al., 2013). Another mor- Paratypes: Figs. 5B–G, 6, 7A–B. phologically similar genus of the family Biokovinidae is Description: Test free, lenticular, with oscillating plane Bosniella Gušić, 1977. It differs from Zagrosella above of coiling in the early stage, later planispiral, and finally all by its chambers lacking any endoskeletal structures. In maybe uncoiling, rectilinear. It is compressed axially,
Fig. 8 Persiacyclammina maastrichtiana n. gen., n in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 8 Persiacyclammina maastrichtiana n. gen., n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, f–h, l, Oblique sections. b–d, Oblique sections through the uncoiled part. i–j, Transverse sections, slightly oblique of the uncoiled part. k, subtransverse section. m–n, Details of oblique sections showing structural elements. Abbreviations: a.l. = alveolar layer, f = foramen, r = rafter, s = septum, s.s. = subepidermal septulum, r.n. = reticulate network. Thin-sections: 2NG 81-2 (a), 2NG 55 (b), 2NG 114 (c), 2NG 1 (d), NG 74 (e), 2NG 81-4 (f, h), 2NG 81-1 (g), 2NG 71 (i), NG 83-3 (j), NG 81 (k), 2NG 18-2 (l), 2NG 85-4 (m), 2NG 81-3 (n).
Fig. 10 in On The Occurrence Of Salpingoporella Pasmanica Radoičić, 2002, (Dasycladales) From The Late Maastrichtian Of The Zagros Zone, Sw Iran
Fig. 10 Stratigraphic distribution of Late Cretaceous (here: TuronianMaastrichtian) Salpingoporella species (redrawn from Carras et al., 2006; added the data for S. nicolacarassi from Radoičić and Conrad, 2012).
Fig. 8 in On The Occurrence Of Salpingoporella Pasmanica Radoičić, 2002, (Dasycladales) From The Late Maastrichtian Of The Zagros Zone, Sw Iran
Fig. 8 Some dasycladales associated with Salpingoporella pasmanica Radoičić. a-b Pseudocymopolia anadyomenea (Elliott), thin-sections BSPG IX 2016-8 (Rt 89), Rt 67-3. c Pseudocymopolia? sp., thin-section Rt 72. Scale bars 1.0 mm.
Fig. 6 in On The Occurrence Of Salpingoporella Pasmanica Radoičić, 2002, (Dasycladales) From The Late Maastrichtian Of The Zagros Zone, Sw Iran
Fig. 6 Salpingoporella pasmanica Radoičić, Late Maastrichtian Tarbur Formation of Mandegan section, Zagros Zone, SW Iran. a Longitudinal section. b-c Oblique sections. d-e, n Tangential sections (partly oblique). f-h, j, l, m Transverse sections (partly slightly oblique). Thin-sections: Rt 113 (a) SNSB-BSPG 2016 III-8 (b-l, n), SNSB-BSPG 2016 III-3 (m).
Fig. 8 in Zagrosella Rigaudii N. Gen., N. Sp., A New Biokovinoidean Foraminifer From The Maastrichtian Of Iran
Fig. 8 Biokovina gradacensis Gušić, Liassic of Croatia. Photographs made from the original thin-section material of Gušić (1977: A see plate 2, fig. 2, and B see plate 1, fig. 2).
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