Holotype segment of the arm GIUS 4−584 Mrz./974/1 from the Late Givetian, sample Marzysz II/13; ventral and dorsal view.

Diagnoza

Proximal lateral plates have pustules over their outer surfaces.

Porównanie

Lateral plates differ from those of Chattaster hueffneri in having more numerous mamelons, and by the presence of pustules and lack of longitudinal incision at the proximal end.

Autekologia

Występowanie geograficzne

Trench II at Marzysz and Set C of Sowie Górki, Holy Cross Mountains, Poland.

Zasięg czasowy

Late Givetian

Materiały muzealne

Holotype GIUS 4−584 Mrz./974/1 and ca. 500 specimens.

Literatura

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