Diagnoza

Up to five mamelons, usually only weakly developed on the narrow outer lateral surface of the lateral plate. Vertical processes of the anchor-like spicules from the central disc are very long and attain up to seven-eighths of their height.

Porównanie

From Stuertzaster utroquecognitus Boczarowski, 2001 the present species differs in having more elongated lateral plates with few mamelons. Ambulacral  plates when compared with those of the other species of the genus are thinner and smooth on the dorsal side; on their ventral side there is a groove, perpendicular to the arm axis .

Autekologia

Marine epifaunal carnivore; found in limestone and shale.

Występowanie geograficzne

Outcrop III at Śniadka, Holy Cross Mountains. 

Zasięg czasowy

Early Givetian, Eifelian, Polygnathus hemiansatus Zone

Materiały muzealne

Only holotype: GIUS 4−439 Śni./877/2

Literatura

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