Taxon - Odkazy a literatura
Mergl M. (2001): Lingulate brachiopods of the Silurian and Devonian of the Barrandian (Bohemia, Czech Republic), Acta Mus. Nat. Pragae. Ser. B, Hist. Nat ., 57 (1 - 2): 1 - 49 [jako Opatrilkiella polonica (Baliński et Holmer, 1999)]