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).