†Thoracosaurus Leidy 1852 (crocodilian)
Synonym: Holopsisuchus Kuhn 1961
Parent taxon: Gavialoidea according to E. Puértolas et al. 2011
Sister taxa: Argochampsa, Eogavialis, Eosuchus, Eothoracosaurus, Gavialidae, Gavialis, Gryposuchinae, Gryposuchus, Ikanogavialis, Ocepesuchus, Piscogavialis, Siquisiquesuchus, Thecachampsoides
Subtaxa: Thoracosaurus bahiensis, Thoracosaurus borissiaki, Thoracosaurus brevispinus, Thoracosaurus isorhynchus, Thoracosaurus macrorhynchus, Thoracosaurus neocesariensis
Ecology: carnivore