Species

Trapezognathus quadrangulum Lindström, 1954

Images
GIT 342-31
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volkhov Stage | Toila Formation Saka Member
GIT 342-32
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volkhov Stage | Toila Formation Saka Member
GIT 342-33
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volkhov Stage | Toila Formation Saka Member
GIT 342-34
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volkhov Stage | Toila Formation Saka Member
GIT 594-107
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
438 Middle Ordovician
GIT 74-24
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
517.25 - 517.3Volkhov Stage