Holotype marginal ossicle GIUS 4−610Szg./548/2 from the Middle Frasnian of Szczukowskie Górki, sample W6; ventral, dorsal, lateral, distal and proximal view.

Diagnoza

Marginals with large, rectangular wings. Apertures always with two clearly marked facet canals on the ventral side which open into a weakly to strongly marked crown lacking a central depression. Apertures at the centre of the crown are either irregular or in a meandering arrangement.

Porównanie

This species is the most advanced  in its lineage with the largest wings. The diversified sculpture of its dorsal surface is characteristic and unique.

Autekologia

Występowanie geograficzne

Only known from the type locality. 

Zasięg czasowy

Middle Frasnian, early Palmatolepis hassi to early Palmatolepis rhenana Zones.

Materiały muzealne

Holotype: GIUS 4−610 Szg./548/2 and 8 specimens

Literatura

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