is plesiosaurus extinct
Plesiosaurus (Greek: ÏÎ»Î·ÏÎ¹Î¿Ï/plesios, near to+ ÏÎ±ÏÏÎ¿Ï/sauros, lizard) is a genus of extinct... Plesiosaurus (Greek: ÏÎ»Î·ÏÎ¹Î¿Ï/plesios, near to+ ÏÎ±ÏÏÎ¿Ï/sauros, lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the early part of the Jurassic Period, and is...