SICHUAN (SZECHWAN, SZECHUAN) PROVINCE
HECHUAN COUNTY
UPPER SHAXIMIAO FORMATION
LATE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)
MICRORDER: SAUROPODA MARSH, 1878
ORDER: EUSAUROPODA
Family: EUHELOPOIDIDAE Kuhn, 1965
Subfamily: MAMENCHISAURINAE Young & Chao, 1972 (sensu McIntosh, 1990)
Mamenchisaurus sp
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CHINA
SICHUAN (SZECHWAN) PROVINCE
HECHUAN COUNTY
SICHUAN BASIN
UPPER SHAXIMIAO (SHANGSHAXIMIAO) FORMATION
CALLOVIAN STAGE
UPPER DOGGER EPOCH
MIDDLE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: CRYPTODIRA COPE, 1868
INFRAORDER: XINJIANGCHELYDIA NESOV, 1990
Family: XINJANGCHELYDIAE Nesov, 1990
*Xinjiangchelys radiplicatus
= Plesiochelys radiplicatus
*Xinjiangchelys chungkingensis
= Plesiochelys chungkingensis
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