Fossil Bacteria in Pyrite.
A considerable variety of bacteria and similar microorganisms are present as preserved remains in pyrite samples of Pennsylvanian age obtained from the coal measures of southeastern Ohio. The types observed are similar to the present-day microflora found in stagnant pools of low oxygen and nutrient content.
Ehlerg
E G
EG
Stiles
D V
DV
Birle
J D
JD