Complex sentence: Massospondylidae, which was first named by Huene in 1914, is a stem-based taxon and it was defined by Sereno as all animals more closely related to "Massospondylus carinatus" than to "Plateosaurus engelhardti" and "Saltasaurus loricatus".
Split into simpler sentences: Massospondylidae, which was first named by Huene in 1914, is a stem-based taxon. It was defined by Sereno as all animals more closely related to "Massospondylus carinatus" than to "Plateosaurus engelhardti" and "Saltasaurus loricatus".