English Hybodus Cited by user Hemiauchenia on 16 Dec 2023 Hybodus (from ύβος hybos, 'crooked' and ὀδούς odoús 'tooth') is an extinct genus of hybodont, a group of shark-like elasmobranchs that lived from the Late Devonian to…
English Hybodontiformes Cited by user Hemiauchenia on 10 Dec 2023 Hybodontiformes, commonly called hybodonts, are an extinct group of shark-like chondrichthyans, which existed from the late Devonian to the Late Cretaceous.
English Paleobiota of the Posidonia Shale Cited by user LeToarc181 on 02 Apr 2022 The Sachrang Formation or "Posidonienschiefer" Formation (Whose Vulgar name is "Posidonia Shale") is a geological formation of southwestern Germany, northern Switzerland…