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Neoproterozoic  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Neoproterozoic
NTTonian
 Cryogenian
 Ediacarian
 Blackstone Series
 Brioverian
 Burra Group
 Hadrynian
 Horsethief Creek Group
 Infracambrian
 Jotnian
 Lynchburg Formation
 McCoy Creek Group
 Moinian
 Riphean
 Rodinia
 Torridonian
 Vendian
 Walden Creek Group
 Wilpena Group
UFupper Proterozoic
RTAdelaidean
 Yudomian
 Boston Bay Group
 Cambridge Argillite
 Roxbury Conglomerate
 Hoosac Formation
 Damara Orogeny
 Ocoee Supergroup
 Pinnacle Formation
 Underhill Formation
 Sauk Sequence
 Robertson Bay Group
 Ross Orogeny
SNEra. Ages range from 1000 Ma to base of Cambrian; this term was ratified by IUGS in 1990. Used here synonymously with upper Proterozoic which ranges from 900 Ma to base of Cambrian.