Taxon - Odkazy a literatura
Mergl M. (2002): Linguliformean and craniiformean brachiopods of the Ordovician (Třenice to Dobrotivá Formations) of the Barrandian, Bohemia, Acta Mus. Nat. Pragae, Ser. B, Hist. Nat., 58 (1–2): 1–82. Praha. ISSN 0036-5343 [jako Acrosaccus posteroconvexus (Cooper, 1956)]
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 Acrosaccus posteroconvexus (Cooper, 1956)]