SUMMERS COUNTY
HINTON
HINTON FORMATION
MAUCH CHUNK GROUP
CHESTERIAN STAGE
SERPUKHOVIAN EPOCH
EARLY MISSISSIPPIAN SUBPERIOD
EARLY LATE CARBONIFEROUS PERIOD
STEM: TETRAPODA GOODRICH, 1930
TETRAPODA: Incertae sedis *Doragnathus woodi
TETRAPODA: Incertae sedis
*Doragnathus woodi