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Streptognathodus dissectus
656
Type
Zone
Age range
312.5–310.8
Ma
International Timescale
Pennsylvanian
Moscovian
Conodont Zonation
Neoghanthodus medexultimus-Streptognathodus-concinnus
Streptognathodus dissectus
Neognathodus uralicus
312.5
312.4
312.3
312.2
312.1
312.0
311.9
311.8
311.7
311.6
311.5
311.4
311.3
311.2
311.1
311.0
310.9
310.8
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