[[Category:Species]] [[Parent Genus::Palaeostomocystis Appendix A]]
Palaeostomocystis bakonyensis Appendix A
Palaeostomocystis laevigata Drugg 1967 Appendix A
Palaeostomocystis laevigata Jiabo 1978 Appendix A
Palaeostomocystis pergamentacea Appendix A
Palaeostomocystis scrobiculata Appendix A