CHINA

SHANXI (SHANSI) PROVINCE

FUGU COUNTY

HA ZHEN COMMUEN

HE SHANG-GOU FORMATION

OLENEKIAN STAGE

UPPER SCYTHIAN EPOCH

EARLY TRIASSIC- ?ANISIAN STAGE

LOWER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890

GRANDORDER: RAUISUCHIFORMES PARRISH, 1993

ORDER: RAUISUCHIA Bonaparte, 1984

SUBORDER: RAUISUCHIA BONAPARTE, 1982

Family: CTENOSAURISCHIDAE, Kuhn, 1964

*Xilousuchus sapingensis

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