ammonites
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

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Type: Tridactylastacus sinensis

Ecology: epifaunal carnivore