Malacostraca - Decapoda - Litogastroidae

Alternative combination: Scapheus ancylochelis

Full reference: H. Woodward. 1863. On a new Macrurous Crustacean (Scapheus Ancylochelis) from the Lias of Lyme Regis. Proceedings of the Geological Society 318-321

Belongs to Pseudoglyphea according to C. E. Schweitzer et al. 2010

Sister taxa: Pseudoglyphea alpina, Pseudoglyphea amalthea, Pseudoglyphea etalloni, Pseudoglyphea eximia, Pseudoglyphea foersteri, Pseudoglyphea friulana, Pseudoglyphea gigantea, Pseudoglyphea grandis, Pseudoglyphea hamifera, Pseudoglyphea jourdani, Pseudoglyphea mulleri, Pseudoglyphea numismalis, Pseudoglyphea paronae, Pseudoglyphea spinosa, Pseudoglyphea straeleni, Pseudoglyphea terquemi, Scapheus ancyloches