Genus
Cymatograptus Jaanusson, 1965
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GIT 353-3039 | Cymatograptus balticus | Didymograptus balticus Tullberg, 1880 | 2221.4 | | Sementsovskaja Formation | |||
GIT 451-282 | Cymatograptus undulatus | Didymograptus undulatus Törnquist, 1901 | Lower Ordovician | Tetragraptus phyllograptoides Biozone | ||||
GIT 801-25 |