CENTRAL SAUDI ARABIA
NORTHEAST OF AL QUWAY-IYAH
AR RUBAY-IYAH
JILH FORMATION
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PACHYPLEUROSAURIA SANZ, 1980
Family: PACHYPLEUROSAURIDAE Nopcsa, 1928
Gen. sp indet.
ORDER: NOTHOSAURIFORMES STORRS, 1991
SUBORDER: EUSAUROPTERYGIA TSCHANZ, 1989
INFRAORDER: NOTHOSAUROIDEA BAUR, 1889
Superfamily: SIMOSAURIA Rieppel, 2000
Family: SIMOSAURIDAE Gervais, 1859
Simosaurus sp
Superfamily: NOTHOSAURIA Baur, 1889
Family: NOTHOSAURIDAE Baur, 1889
Nothosaurus cf. giganteus
Nothocaurus cf. tchernovi
Nothosaurus spOR NEODIAPSIDA: INCERTAE SEDIS
ORDER: PLACODONTIA MEYER, 1863
SUBORDER: CYMODONTOIDEA NOPCSA, 1923
Incertae sedis
Gen. sp indet
Superfamily: PLACOCHELYIDA Jaekel, 1907 (sensu Romer, 1956)
Family: PLACOCHELYIDAE Jaekel, 1907
Psephosauriscus sp
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SAUDI ARABIA
AR RUBAY-IYAH
SITE 1
JILH FORMATION
MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PACHYPLEUROSAURIA SANZ, 1980
Family: PACHYPLEUROSAURIDAE Nopcsa, 1928
Gen. sp indet.
ORDER: NOTHOSAURIFORMES STORRS, 1991
SUBORDER: EUSAUROPTERYGIA TSCHANZ, 1989
INFRAORDER: NOTHOSAUROIDEA BAUR, 1889
Superfamily: SIMOSAURIA Rieppel, 2000
Family: SIMOSAURIDAE Gervais, 1859
Simosaurus sp
Superfamily: NOTHOSAURIA Baur, 1889
Family: NOTHOSAURIDAE Baur, 1889
Nothosaurus sp
OR NEODIAPSIDA: INCERTAE SEDIS
ORDER: PLACODONTIA MEYER, 1863
SUBORDER: CYMODONTOIDEA NOPCSA, 1923
Incertae sedis
Psephosaurus sp
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
Incertae sedis
Gen. sp indet.
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
MAGNORDER: PROTOROSAURIA HUXLEY, 1871
SUPERORDER: TAPINOPLATIA PETERS EMEND NOVA
GRANDORDER: CHARACIOPODA PETERS EMEND NOVA
Family: TANYSTROPHEIDAE Geravis, 1858
Gen sp indet.
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