First record of the stem amniote Discosauriscus (Seymouriamorpha, Discosauriscidae) from the Krkonoše Piedmont Basin (the Czech Republic) Jozef Klembara , Marika Mikudíková , Stanislav Štamberg , Miroslav Hain 2020 | ročník 76 | číslo 2 | stránky 243–251 PDF