Vinialesaurus sp.

Vinialesaurus is a genus of cryptoclidid plesiosauroid plesiosaurs from the Upper Jurassic, from about 150 million years ago. They populated the Caribbean and recently it has been discovered that also South America; the first remains were found in Viñales (Cuba) and, years later, a second specimen was discovered in the Atacama Desert, more specifically in Calama (Chile).
https://www.biobiochile.cl/noticias/ciencia-y-tecnologia/ciencia/2020/08/18/descubren-dos-generos-de-plesiosaurios-que-habitaron-el-norte-de-chile-hace-160-millones-de-anos.shtml