There are 2 matches

Collection Authorizer Collection name Reference
3861A. Miller Midshelf setting (= Combined D. redux and Bicuspina communities; Letna Fm, midshelf setting, Prague Basin, Czech Republic) Letna/Harnagian - Ordovician 3-4-4 - Czech Republic Havlicek and Vanek (1966)
197259P. Wagner Trubsko (= Troubsko) Berounian - Ordovician 4-5 - Czech Republic Perner (1903)

Do another search