Gronausaurus Genus 'Gronausaurus' Author Hampe, 2013 Classification Sauropterygia Eosauropterygia Eusauropterygia Pistosauroidea Pistosauria Plesiosauria Plesiosauroidea Cryptoclidia Xenopsaria Polycotylidae ‘Gronausaurus‘ Age Location Type species Other species Referred material ‘Gronausaurus‘ was named in 2013 (Hampe, 2013). It is now regarded as a junior synonym of Brancasaurus (Sachs et al. 2016). Under construction