Fig. 6
From: A new pachypleurosaur from the Early Ladinian Prosanto Formation in the Eastern Alps of Switzerland
Phylogenetic relationships of European Pachypleurosauria and Prosantosaurus scheffoldi gen. et spec. nov. Cladogram resulting from Traditional Search (TNT Version 1.5; settings: 100,000 replications, 1000 trees held per replication, TBR active, outgroup Simosaurus; Memory settings: 30,000 trees, 1000 MB) with the eight specimens from the Prosanto Formation treated as a single OUT. Tree length is 178 steps. The New Technology Search revealed the same topology and tree length (Additional file 1: Fig. S31)