げんせいだい
See also:
けんせいだい
Japanese
Proper noun
げんせいだい
(
rōmaji
Genseidai
)
原生代
:
the
Proterozoic
eon
This article is issued from
Wiktionary
. The text is licensed under
Creative Commons - Attribution - Sharealike
. Additional terms may apply for the media files.