Diagnoza

See Langer 1991.

Porównanie

Specimens from the Holy Cross Mountains have no spaghetti−like processes on their surfaces, but occasionally, at rod intersections, fragments of a multilayered calcitic network (like in  echinoid’s  sclerites) occur. Their assignment to holothurioids is thus doubtful.

Autekologia

Występowanie geograficzne

Wotan quarry near Üxheim and Rhenish Slate Mountains, Germany. Set H of Kostomłoty IV, Holy Cross Mountains, Poland

Zasięg czasowy

Early Givetian to Late Frasnian.

Materiały muzealne

GIUS 75 plates.

Literatura

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