Fig. 5
From: Early-Middle Permian palynoflora of Shandong Province, eastern North China
Photomicrographs of a selection of spore and pollen fossils identified in samples from boreholes XB15 and DB2 in Shandong Province. a Calamospora pedata; b Converrucosisporites minutus; c Converrucosisporites sp.; d Cyclogranisporites microgranus; e Cyclogranisporites pseudozonatus; f Florinites antiquus; g Gulisporites cerevus; h Gulisporites curvatus; i Gulisporites laevigatus. Scale bars (in each) = 20 μm