Genus

Trapezognathus Lindström, 1954


GIT 164-675	Trapezognathus \| Trapezognathus cf. quadrangulum Lindström, 1955	Jägala waterfall		Volkhov Stage
GIT 342-31	Trapezognathus quadrangulum \| Trapezognathus quadrangulum Lindström, 1955	Mäekalda outcrop		Volkhov Stage \| Toila Formation Saka Member
GIT 342-32	Trapezognathus quadrangulum \| Trapezognathus quadrangulum Lindström, 1955	Mäekalda outcrop		Volkhov Stage \| Toila Formation Saka Member
GIT 342-33	Trapezognathus quadrangulum \| Trapezognathus quadrangulum Lindström, 1955	Mäekalda outcrop		Volkhov Stage \| Toila Formation Saka Member
GIT 342-34	Trapezognathus quadrangulum \| Trapezognathus quadrangulum Lindström, 1955	Mäekalda outcrop		Volkhov Stage \| Toila Formation Saka Member
GIT 425-27	Trapezognathus diprion \| Trapezognathus diprion (Lindström, 1955)	Uuga Cliff III, Parki peninsula		Billingen Stage
GIT 425-28	Trapezognathus diprion \| Trapezognathus diprion (Lindström, 1955)	Uuga Cliff III, Parki peninsula		Billingen Stage
GIT 425-29	Trapezognathus diprion \| Trapezognathus diprion (Lindström, 1955)	Uuga Cliff III, Parki peninsula		Billingen Stage
GIT 425-30	Trapezognathus diprion \| Trapezognathus diprion (Lindström, 1955)	Uuga Cliff III, Parki peninsula		Billingen Stage
GIT 594-107	Trapezognathus quadrangulum \| Trapezognathus quadrangulum Lindström, 1955	Petseri 330 borehole	438	Middle Ordovician