Leivanectes is a genus of plesiosaurs of the familyElasmosauridae known from Late Aptian marine deposits in central Colombia. It contains a single species, L. bernadoi, which was described in 2019.
Description
Leivanectes differs from Callawayasaurus, which has been found in the same formation, in having fewer mandibular alveoli and a short mandibular symphysis with three alveoli (5 in Callawayasaurus).[1]