Main plate from tube foot of paratype GIUS 4−584Mrz./228/5, Late Givetian of Marzysz II/13, inner view.

Sclerite GIUS 4−568 Mrz./94/1 from the Late Givetian of Marzysz, samples Marzysz II/W/6.

Fragment of calcified tentacle, holotype GIUS 4−578 Mrz./286/1 from late Givetian of Marzysz II/7, in the central part plates of calcareous articulated axial skeleton; adoral view

Diagnoza

Perforate plates from the outer ring of tentacles polygonal or shield-like in shape; their ventral margins with two parallel, axially situated ridges.

Porównanie

The present species differs from other Palaeocucumaria by the extremely delicate structure of its plates and by having the shortest processes on the plates in almost horizontal arrangement.

Autekologia

Występowanie geograficzne

Outcrop I, trench II at Marzysz, Holy Cross Mountains, Poland.

Zasięg czasowy

Late Givetian

Materiały muzealne

Holotype GIUS 4−578 Mrz./286/1 and > 25 776 specimens.

Literatura

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