Pachycephalosaurus

== Translingual == === Etymology === From Ancient Greek παχύς (pakhús, “thick”) + κεφαλή (kephalḗ, “head”) +‎ -saurus, equivalent to pachy- (“thick”) +‎ cephalo- (“head”) +‎ -saurus (“lizard”). Coined by American paleontologists Barnum Brow and Erich Maren Schlaikjer in 1943. === Proper noun === †Pachycephalosaurus m A taxonomic genus within the family †Pachycephalosauridae – a dinosaur that lived during the Late Cretaceous period (Maastrichtian faunal stage) of what is now North America. Currently contains only the species †Pachycephalosaurus wyomingensis. ==== Descendants ==== English: → pachycephalosaur, → pachycephalosaurus (learned) === References === Pachycephalosaurus on Wikipedia.Wikipedia Pachycephalosaurus on Wikispecies.Wikispecies Category:Pachycephalosaurus on Wikimedia Commons.Wikimedia Commons