Tabular Form of Bacterial Classification From David Bergey's Manual
This
group
contains
bacteria
which
are
Gram
negative,
aerobic,
single,
rod-shaped
cells,
strict
aerobes
either
motile
or
non
motile.
when
motile
they
have
a
polar
or
sub
polar
flagella.
Cells
occur
within
a
sheath
which
may
be
attached
to
submerged
plants
or
stones
Sheaths
mayor
may
not
be
encrusted
with
iron
or
manganese
oxides.
G
+
C
content
of
DNA
varies
between
69.5
to
70
moles
per
cent.
This
group
contains
seven
genera
of
which
Sphaerotilus
and
Leptothrix
are
important