(Prolacerta,((Proterosuchus,(Fugusuchus,Sarmatosuchus)),((Xilousuchus,(Vjushkovia_triplicostata,Erythrosuchus)),(Euparkeria,Sphenosuchus)))); (Prolacerta,((Proterosuchus,(Fugusuchus,Sarmatosuchus)),((Erythrosuchus,(Xilousuchus,Vjushkovia_triplicostata)),(Euparkeria,Sphenosuchus))));