NEW JERSEY

HARTFORD BASIN

UPPER PASSAIC FORMATION

UPPER HAVEN ARKOSE

NEWARK SUPERGROUP

NORIAN STAGE

LATE TRIASSIC EPOCH

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SPHENODONTIFORMES Hay, 1930

ORDER: SPHENODONTIA WILLISTON, 1925

Family: SPHENODONTIDAE Cope, 1869

Sigmala sp

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