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 Dysoristus posterus Mergl, 2001]
Mergl M. (2003): Orbaspina chlupaci sp. nov., a new siphonotretid brachiopod from the Silurian of the Barrandian area, Bohemia, Bulletin of Geosciences, Vol. 78, No. 4, 419–421 [jako Orbaspina postera (Mergl, 2001)]