PLIOZAVRHO , yak zeroilai khazandagoni bahrii munqariaro guyand, ki ba zerqatori plegiozavrho mansuband. Dar zamoni okhiri yura va davrai taboshir zindagi kardaand. Daroziashon ziyoda az 10 m. Jonvaroni obii darrandai boquvvat buda, sari kalon va gardani nisbatan kutoh doshtand. Boqimondai Pliozavrho az tahnishasthoi hamai materikho va dar territoriyai SSSR az tahnishasthoi davrai yurai Zavoljiya va Qazoqistoni Shimolu Garbi yoft shudaand.