Taxon - Odkazy a literatura
Valent M. (2006): Stratigraphic distribution of the class Hyolitha (Mollusca) in the Barrandian Area (Czech Republic), Acta Universitatis Carolinae - Geologica 47(1). [jako Nephrotheca ruderalis Marek, 1989]
Marek L. (1989): The hyoliths of the Králův Dvůr formation (Bohemian Ordovician), Sbor. geol. věd, Paleontologie 30, 37-59 [jako Nephrotheca ruderalis Marek, 1989]