Fig 5 in Parurgonina Valanginiana N. Sp. From The Valanginian Of Sw Iran (Zagros Zone): The First Cretaceous Record Of The Genus

Fig 5. Parurgonina valanginiana sp. nov. from the Valanginian Fahliyan Formation of SW Iran (a–h, j–k, m–n) and the Upper Jurassic of Algeria (i, l; from Schroeder et al., 1975, pl. 2, figs. 3-4). a–d. (Sub)axial sections of juvenile specimens showing embryo and 'praevalvulind' early stage sensu Septfontaine (2020); samples RAP 10825 (a–c), RAP 10869 (d). e. Slightly oblique axial section dissection the apical embryo; holotype specimen, sample RAP 10825. f. Subaxial section showing well developed thickened pillars in the central test part; sample RAP 10825 (= Fig. 12a in Jamalian et al., 2011 illustrated as Valdanchella). g. Tangential section showing the undivided marginal chamber area in the part following the 'praevalvulinid' stage; sample RAP 10825. h. Tangential oblique section; sample RAP 10825. i. Slightly oblique transverse section showing lunular pillars (from Schroeder et al., 1975, pl. 2, fig. 4, copyright by Swiss Geological Society). j. Oblique section; sample RAP 10825. k. Oblique section showing lunular pillars; sample RAP 10825. l. Slightly oblique transverse section (from Schroeder et al., 1975, pl. 2, fig. 3). m. Oblique transverse section; sample RAP 18025. n. Subaxial section; sample RAP 18025