Taxon - Odkazy a literatura
Mergl M. (2012): Lingulate and craniate brachiopods from the top of the Králův Dvůr Formation (latest Katian) and their contribution to palaeogeography, Acta Mus. Nat. Pragae, Ser. B, Hist. Nat., 68(1–2): 35–46. Praha. ISSN 1804-6479 [jako Schizotreta transversa Williams, 1974]