Check-lists
* List of countries might not be complete
Links and literature
[1] Rak Š. (2009): The occurrence of non-trilobite arthropods from the quartzites of Letná Formation from the vicinity of Beroun, Geologie, paleontologie, speleologie - Český kras XXXV [as Chacharejocaris novaki Chlupáč, 1963]
Rak Š. (2009): The occurrence of non-trilobite arthropods from the quartzites of Letná Formation from the vicinity of Beroun, Geologie, paleontologie, speleologie - Český kras XXXV [as Chacharejocaris novaki Chlupáč, 1963]