†Tridactylastacus Feldmann et al. 2012 (decapod)
Malacostraca - Decapoda - Litogastroidae
Full reference: R. M. Feldmann, C. E. Schweitzer, and Q. Y. Zhang. 2012. Systematic paleontology, in Macrurous Decapoda from the Luoping biota (Middle Triassic) of China. Journal of Paleontology 86:425-441
Parent taxon: Litogastroidae according to H. Karasawa et al. 2012
Sister taxa: Lissocardia, Litogaster, Paralitogaster, Pseudoglyphea, Pseudopemphix
Subtaxa: Tridactylastacus sinensis
Type: Tridactylastacus sinensis
Ecology: epifaunal carnivore