Diagnoza

See Richter, 1930

Porównanie

Two kinds of conical spines, some of these have fine groovelets, the others are short andhave numerous thorns. The larger ones were located at the distal edge, the others on the ventral edge and directed side wards. The basal parts of both kinds of spines are the same.

Autekologia

Występowanie geograficzne

Selscheid Beds at Ebbelinghausen, Rhenish Slate Mountains, Germany and Sets XVI, XVII, XVIII of the Skały Beds at Skały, Holy Cross Mountains, Poland.

Zasięg czasowy

Early and Late Eifelian.

Materiały muzealne

210 specimens

Literatura

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

Richter, R. 1930. Schuppenröhren als Anzeiger von zwei im deutschen Devon neuen echinodermen−Gruppen (Edrioasteroidea Billings und Ophiocistia Sollas?). Senckenbergiana 12, 279–304.