The
earliest
megalodon
fossils
(
Otodus
____________________
,
previously
known
as
Carcharodon
____________________
Carcharocles
megalodon
)
date
____________________
____________________
million
years
ago
.
For
the
next
____________________
million
years
the
enormous
____________________
dominated
the
oceans
until
becoming
extinct
just
____________________
.
____________________
million
years
ago
.
megalodon
____________________
____________________
only
the
biggest
shark
in
the
world
but
one
of
the
largest
fish
ever
to
exist
.
Estimates
suggest
____________________
grew
to
between
15
and
18
meters
____________________
length
,
three
times
____________________
than
the
____________________
recorded
great
white
shark
.
Without
a
complete
megalodon
skeleton
,
these
figures
____________________
based
on
the
size
____________________
the
animal's
teeth
,
which
can
____________________
18
centimeters
long
.
In
fact
,
the
____________________
megalodon
simply
means
'large
tooth'
.
These
teeth
can
tell
____________________
____________________
lot
,
such
as
what
these
massive
____________________
ate
.