Proterozoic
English Dictionary
->
Letter P
-> Proterozoic
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Proterozoic Definition
(n)
from
2
,
500
to
544
million
years
ago
;
bacteria
and
fungi
;
primitive
multicellular
organisms
(s)
formed
in
the
later
of
two
divisions
of
the
Precambrian
era
; "
proterozoic
life
forms
"
Proterozoic Synonyms
Proterozoic
Proterozoic aeon
Proterozoic eon
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