NORTHWESTERN ARGENTINA
SAN JUAN PROVINCE
CAUCETE DEPARTMENT
BALDE DE LEYES
UPPERMOST LEVEL
QUEBRADA DEL BARRO FORMATION
EARLY JURASSIC?
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
ORDER: PROSAUROPODA HUENE, 1920 (emend)
SUBORDER: PLATEOSAURIA TORNIER, 1913
Family: MASSOSPONDYLIDAE Huene, 1914
*Leyesaurus marayensis
_____________________________________________________________________________________
ARGENTINA
SAN JUAN PROVINCE
QUEBRADA HONDA
ESPINACITO ZONE
LIAS EPOCH
EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: EUICHTHYOSAURIA MONTANI, 1999
INFRAORDER: PARVIPELVIA MONTANI, 1999
PARVORDER: NEOICHTHYOSAURIA SANDER, 2000
SUPERFAMILY: OPHTHALMOSAURIDEA SEELEY, 1874
Family: OPTHALMOSAURIDAE Seeley, 1874
Incertae sedis
non *Ophthalmosaurus, O? espinacitense
= Ancanamunia? espinacitense
ARGENTINA
SAN JUAN PROVINCE
QUEBRADA HONDA
ESPINACITO ZONE
EARLY JURASSIC
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: EUICHTHYOSAURIA MONTANI, 1999
INFRAORDER: PARVIPELVIA MONTANI, 1999
PARVORDER: NEOICHTHYOSAURIA SANDER, 2000
Superfamily: ICHTHYOSAUROIDEA Bonaparte, 1841 (Emend McGowan & Montani, 2003)
Family: ICHTHYOSAURIDAE Bonaparte, 1841
Incertae sedis
non *Ichthyosaurus, I. sanjuanensis