The major late Albian transgressive event recorded in the epeiric platform of the Langshan Formation in central Tibet

Plate 1: Benthic and planktonic foraminifers in the Letie Section. Fig. 1. Hedbergella delrioensis (Carsey), sample 17LT02. Fig. 2. Ascoliella quadrata (Michael), 17LT25. Fig. 3. Palorbitolina lenticularis (Blum), 17LT05. Fig. 4. Hedbergella rischi Moullade, 17LT14. Fig. 5. Favusella sp., 17LT22. Fig. 6. Favusella washitensis (Carsey), 17LT23. Fig. 7. Vercorsella arenata Arnaud- Vanneau, 17LT80. Fig. 8. Conicorbitolina cf. conica (d'Archiac), 17LT89. Fig. 9. Cuneolina parva Henson, 17LT75. A transverse section showing apertures as simple slits or series of pores along the base of the final chamber face. Scale bars: Figs 1, 2, 4–7, 9=0.25 mm; Figs 3, 8=1 mm. Plate 2: Benthic and planktonic foraminifers in the Zulong Section. Fig. 1. Vercorsella arenata Arnaud- Vanneau, 16ZL-01. Fig. 2. Palorbitolina lenticularis (Blumenbach), 16ZL-19. Fig. 3. Palorbitolinoides orbiculata Zhang, 16ZL-127. Fig. 4. Rotalipora cf. appenninica (Renz), a recrystallized test, 16ZL-159. Fig. 5. Mesorbitolina subconcava (Leymerie), 16ZL-135. Fig. 6. Mesorbitolina birmanica (Sahni), 16ZL-127. Scale bars: Figs 1,4=0.5 mm; Figs 2–3, 5–6=1 mm.