Pachypleurosauria
Simosaurus
Germanosaurus
NMNHL_RGM_443825
Nothosaurus_juvenilis
Nothosaurus_yangiuanensis
Nothosaurus_youngi
Nothosaurus_winterswijkensis
Nothosaurus_marchicus
Nothosaurus_edingerae
Nothosaurus_jagisteus
Nothosaurus_mirabilis
Nothosaurus_giganteus
Nothosaurus_tchernovi
Nothosaurus_hassi