The only species , Lagenanectes richterae , was first described in 2017 .
The only species , Lagenanectes richterae , was first is regarded as one of the best - preserved plesiosaur fossils from this geological age in Europe .
The only species , Lagenanectes richterae , was first described in 2017 , and is regarded as one of the best - preserved plesiosaur fossils from this geological age in Europe .