Taxon - Links and literature
Valent M. (2006): Stratigraphic distribution of the class Hyolitha (Mollusca) in the Barrandian Area (Czech Republic), Acta Universitatis Carolinae - Geologica 47(1). [as Nephrotheca dubecensis Marek, 1967]
Marek L. (1967): The Class Hyolitha in the Caradoc of Bohemia, Sbor. geol. věd, Paleontologie 9, 51-112 [as Nephrotheca dubecensis Marek, 1967]