†family Pygocephalidae Brooks 1962 (arthropod)
Malacostraca - Eumalacostraca - Pygocephalidae
Parent taxon: Pygocephalomorpha according to F. R. Schram 1979
See also Brooks et al. 1969
Sister taxa: Chaocaris, Hoplita, Jerometichenoriidae, Liocaris, Notocarididae, Sosiocaris, Tealliocarididae, Tylocarididae
Subtaxa: Anthracaris Mamayocaris Pseudotealliocaris Pygocephalus
Type: Pygocephalus
Ecology: epifaunal omnivore
Distribution:
• Carboniferous of Germany (1 collection), the United Kingdom (4), United States (2: Illinois, Pennsylvania)
Total: 7 collections including 8 occurrences