*Group A - Streptococcus pyogenes *Group B - Streptococcus agalactiae *Group C - Streptococcus equisimilis, Streptococcus equi, Streptococcus zooepidemicus, Streptococcus dysgalactiae *Group D - Enterococcus faecalis, Enterococcus faecium, Enterococcus durans and Streptococcus bovis *Group F, G & L - Streptococcus anginosus *Group H - Streptococcus sanguis *Group K - Streptococcus salivarius *Group L - Streptococcus dysgalactiae *Group M & O - Streptococcus mitis *Group N - Lactococcus lactis *Group R & S - Streptococcus suis Other Streptococcus species are classified as 'non-Lancefield streptococci'.
Lancefield grouping
Contour threads
Nuclear sclerosis
Granulation
Zoobiquity
Lobulation
Storiform pattern
Co-rumination