Taxon - Odkazy a literatura
Mergl M., Šlehoferová P. (1990): Middle Cambrian Inarticulate Brachiopods from Central Bohemia, Sbor. geol. věd, Paleontologie 31 [jako Lingulella sufi Mergl & Šlehoferová, 1990]
Fatka O., Mergl M., Šarič R., Kordule V. (1992): Early Middle Cambrian fauna in Central Bohemia, Bulletin of Geosciences 67(2) [jako Lingulella sufi Mergl & Šlehoferová, 1990]