Goniodont GIUS 4−584 Mrz./223/1, Late Givetian, Marzysz II/13, outer view.

Diagnoza

see Langer, 1991

Porównanie

The specimens from the Early Givetian of the Rhenish Slate Mountains differ from the Polish material in fine details only: the angle between working edges is on average 50° whereas in Polish specimens it is 55°; number of lateral denticles is 16–24 and 12–20, respectively.

Autekologia

Występowanie geograficzne

Daasberg near Gerolstein, Rhenish Slate Mountains, Germany; Set B of Jaźwica; outcrop I, trench II at Marzysz; Set B of Posłowice, Holy Cross Mountains, Poland.

Zasięg czasowy

Early to Late Givetian, 

Materiały muzealne

GIUS > 25000 specimens

Literatura

Boczarowski, A. 2001. Isolated sclerites of Devonian non-pelmatozoan echinoderms. Palaeontologia Polonica 59, 3–220.