Fig. 8 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 8. Distribution of heterosteginid specimens from sample Keçili 11 on the P–X (proloculus diameter versus number of undivided post−embryonic chambers) bivariate plot (X is on logarithmic scale). Solid circles, Heterostegina armenica; open circles, H. reticulata.