Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from Estonia Alexander Pohle , Christian Klug , Ursula Toom , Björn Kröger 2019 | ročník 75 | číslo 1 | stránky 70–78 PDF
Empty cephalopod conchs as substrates for gastropod eggs from the Hangenberg Black Shale (Late Devonian) of the Maïder Basin (Morocco) Christian Klug , Alexander Pohle , Dieter Korn 2019 | ročník 75 | číslo 1 | stránky 59–63 PDF
