Specimen GIUS 4−607 Grn./1112/1

Diagnoza

Porównanie

Lyre−like scales with only two tear−shaped, elongated slits. The trabeculae are thick. When seen from the side they are flexed and shovel−like. The basal part is trumpet−shaped. Similar to Calclyra  eiseliana (Spandel,  1898), which was formerly assigned to Holothuroidea.

Autekologia

Występowanie geograficzne

Set C of Górno, Holy Cross Mountains, Poland. 

Zasięg czasowy

Middle Frasnian

Materiały muzealne

GIUS 4−607 Grn./1062/5, GIUS 4−607 Grn./1112/1, GIUS 4−607 Grn./1112/2

Literatura

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