Halisaurus
Sign in to saveHalisaurus is an extinct genus of mosasaur named by Othniel Charles Marsh in 1869. The holotype, consisting of an angular and a basicranium fragment discovered near Hornerstown, New Jersey, already revealed a relatively unique combination of features and prompted a new genus to be described. Its name is a portmanteau of the Ancient Greek ἅλς (háls; "sea") and σαῦρος (saûros; "lizard"). It was renamed by Marsh to Baptosaurus in 1870, since he believed the name to already be preoccupied by the fish Halosaurus. According to modern rules, a difference of a letter is enough and the substitute name
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Halisaurus est un genre éteint de « reptiles » marins squamates de la famille des Mosasauridae et de la sous-famille des . Il vivait à la fin du Crétacé supérieur il y a environ entre −75 et −66 Ma (millions d'années). C'est un petit membre de sa famille car il ne mesurait que 3 mètres de long.
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