PENNSYLVANIA

LANCASTER COUNTY

NEAR BOWMANSVILLE

BRUNSWICK FORMATION

NEWARK SUPERGROUP

CARNIAN STAGE

EARLY LATE TRIASSIC EPOCH

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: PARAREPTILIA OLSON 1947

INFRACLASS: SAUROPSIDA HUXLEY, 1864

ORDER: PROCOLOPHONOMORPHA ROMER, 1964

SUBORDER: PROCOLPHOMORPHA SEELEY, 1888

Family: PROCOLOPHONIDAE, Seeley, 1888

Subfamily: LEPTOPLEURONIAE Ivakhenko, 1982

*Sphodrosaurus pennsylvanicus