perekond

Trapezognathus Lindström, 1954

Pildid
GIT 164-675
Trapezognathus | Trapezognathus cf. quadrangulum Lindström, 1955
Volhovi lade
GIT 342-31
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volhovi lade | Toila Formation Saka Member
GIT 342-32
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volhovi lade | Toila Formation Saka Member
GIT 342-33
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volhovi lade | Toila Formation Saka Member
GIT 342-34
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
Volhovi lade | Toila Formation Saka Member
GIT 425-27
Trapezognathus diprion | Trapezognathus diprion (Lindström, 1955)
Billingeni lade
GIT 425-28
Trapezognathus diprion | Trapezognathus diprion (Lindström, 1955)
Billingeni lade
GIT 425-29
Trapezognathus diprion | Trapezognathus diprion (Lindström, 1955)
Billingeni lade
GIT 425-30
Trapezognathus diprion | Trapezognathus diprion (Lindström, 1955)
Billingeni lade
GIT 594-107
Trapezognathus quadrangulum | Trapezognathus quadrangulum Lindström, 1955
438 Kesk-Ordoviitsium