Hybodus


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Note: Hybodus (from Greek: ύβος hybos, ´crooked´ and Greek: ὀδούς odoús ´tooth´) is an extinct genus of hybodont, a group of shark-like elasmobranchs that lived from the Late Devonian to the end of the Cretaceous. Species closely related to the type species Hybodus reticulatus lived during the Early Jurassic epoch. Numerous species have been assigned to Hybodus spanning a large period of time, and it is currently considered a wastebasket taxon that is ´broadly polyphyletic´ and requires reexamination. The first fossilized teeth from Hybodus were found in England around 1845; since then teeth (and dorsal spines) have been recovered from Europe. During the Triassic, Jurassic, and Cretaceous periods, the hybodonts were especially successful and could be found in shallow seas around the world. For reasons that are not fully understood, the hybodonts became extinct near the end of the Late Cretaceous period.

[Last update: 2023/08/26]