Fig. 6
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 Gulisporites sp.; b Leiotriletes tangyiensis; c Lophotriletes cf. communis; d Lophotriletes humilus; e Punctatisporites gigantus; f Punctatisporites incomptus; g Sinulatisporites cf. shanxiensis; h Sinulatisporites cf. sinensis; i Stenozonotriletes marginellus; j Stenozonotriletes sp.; k Triquitrites sp. Scale bars (in each) = 20 μm