Family

Didymograptidae Mu, 1950


TUG 1299-138	Didymograptus \| Didymograptus sp.	Slemmestad, Norway		Lower Ordovician
TUG 1803-14	Didymograptus	Väike-Pakri cliff		Aseri Stage \| CIa ooliitkihistu
GIT 282-514-4	Didymograptus extensus \| Didymograptus extensus (Hall, 1858)	Slemmestad, Norway		Darriwilian \| Huk Formation
GIT 282-519	Didymograptus extensus \| Didymograptus extensus (Hall, 1858)	Slemmestad, Norway		Darriwilian \| Huk Formation
GIT 282-521-3	Didymograptus extensus \| Didymograptus extensus (Hall, 1858)	Slemmestad, Norway		Darriwilian \| Huk Formation
GIT 282-521-4	Didymograptus extensus \| Didymograptus extensus (Hall, 1858)	Slemmestad, Norway		Darriwilian \| Huk Formation
GIT 341-80	Didymograptus artus \| Didymograptus artus Elles et Wood, 1901	Aizpute 41 borehole	961.06	Telychian
GIT 353-2945	Didymograptus \| Didymograptus sp.	Serebryaniki borehole, Tver Oblast	1194.35	Latorp Superstage
GIT 353-3039	Cymatograptus balticus \| Didymograptus balticus Tullberg, 1880	Orehhovskaya 1 borehole, Kostroma oblast	2221.4	\| Sementsovskaja Formation
GIT 353-3045	Didymograptus extensus \| Didymograptus extensus (Hall, 1858)	Orehhovskaya 1 borehole, Kostroma oblast	2223.6	\| Sementsovskaja Formation