Calymmian (Q876805)
first period of the Mesoproterozoic Era
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other details
aliases Calymmian Period
 Calymmian System
description first period of the Mesoproterozoic Era

External Links
(P646) /m/06vctk
(P2581) 01494692n
(P4746) 136134
(P8408) Calymmian-GeologicalPeriod
(P9867) 157
(P10565) 442536