Pachypleurosauria

Simosaurus

Nothosaurus_edingerae

Nothosaurus_haasi

Nothosaurus_zhangi

Germanosaurus

Nothosaurus_jagisteus

Nothosaurus_tchernovi

Nothosaurus_mirabilis

Nothosaurus_marchicus

Nothosaurus_yangjuanensis

Nothosaurus_giganteus

Nothosaurus_juvenilis

Lariosaurus_hongguoensis

Lariosaurus_buzzii

Nothosaurus_winkelhorsti

Lariosaurus_balsami

Lariosaurus_curionii

Lariosaurus_valceresii

Lariosaurus_calcagnii

XNGM_WS_dash_30_dash_R19

Lariosaurus_xingyiensis

XNGM_WS_dash_30_dash_R24

Nothosaurus_youngi