Achelousaurus

== Translingual == === Etymology === From Ancient Greek Ἀχελῷος (Akhelōîos, “Achelous, a Greek shapeshifting deity”) +‎ -saurus, named by Scott Sampson in 1994 in reference to its transitional combination of nasal boss and frill horns, reminiscent of a myth where Achelous transformed into a bull and had his horn broken off by Hercules. === Proper noun === †Achelousaurus m A taxonomic genus within the family Ceratopsidae – a ceratopsian dinosaur from the Cretaceous of North America.