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 Panitheca collector Marek, 1967]
Marek L. (1989): The hyoliths of the Králův Dvůr formation (Bohemian Ordovician), Sbor. geol. věd, Paleontologie 30, 37-59 [jako Panitheca collector Marek, 1967]
Marek L. (1967): The Class Hyolitha in the Caradoc of Bohemia, Sbor. geol. věd, Paleontologie 9, 51-112 [jako Panitheca collector Marek, 1967]