Fig. 4 in Broeckinella Hensoni N. Sp., A New Larger Benthic Foraminifera From The Upper Maastrichtian Of Iran And A Revision Of The Genus Broeckinella Henson, 1948

Fig. 4 Internal structure of Broeckinella arabica Henson. a Drawing of a slightly oblique equatorial section (slightly modified from Henson, 1947, fig. 13c; see also Cherchi and Schroeder 1978, fig. 1C). 1 = subepidermal layer (network; exoskeleton), 2 = zone with transverse partitions only, 3 = undivided chamber interior (lacking endoskeleton); septa with foramina. b Tangential equatorial section of Broeckinella arabica showing the three zones of Henson (1948). Thin-section Rt 85, Mandegan section. c Tangential equatorial section showing main partitions aligned between successive chambers (detail from Fig. 6d). Thin-section NG 42-1, Naghan section.