Credit:
Microfossils extracted from dental calculus. A=starch granules (G/9b 520-525) B=microcharcoal (G/22 705-710 ), C=fungi, type 1 spore (G/9b 520-525), D=fungi, type 3 spore (G/22 705-710 ), E=fungi , type 2 spore (G/9b 520-525), F=pine pollen grain (G/9b 520-525), G=Lepidoptera (moth and butterfly) (G/22 705-710 ), wing scale, H=long smooth long cell phytolith (G/9b 520-525), note fragments of calculus still adhering to it.