ARGENTINA
PATAGONIA
NEUQUEN PROVINCE
NEUQUEN BASIN
CHACAICO SUR
LAJAS FORMATION
EARLY CALLOVIAN STAGE
UPPER DOGGER EPOCH
LATE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
Family: CRYPTOCLEIDAE Williston, 1925
Cryptocleidus sp
Superfamily: ELASMOSAUROIDEA nova
Family: ELASMOSAURIDAE Cope, 1869
Incertae sedis
Muraenosaurus sp
INFRAORDER: PLIOSAUROMORPHA NOVA
Superfamily: PLIOSAUROIDEA Seeley, 1874
Family: PLIOSAURIDAE Seeley, 1874
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARGENTINA
PATAGONIA
NEUQUEN PROVINCE
CHACALCO SUR
LAJAS FORMATION
CALLOVIAN STAGE
UPPER DOGGER EPOCH
LATE MIDDLE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: EURYAPSIDA COLBERT, 1945
SUPERORDER: SAUROPTERYGIA OWEN 1860
GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994
ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835
INFRAORDER: PLESIOSAUROMORPHA NOVA
EUPLESIOSAURIA O’KEEFE, 2001
Superfamily: CRYPTOCLEIDOIDEA Williston, 1925
Family: CRYPTOCLEIDAE Williston, 1925
Gen sp indet.
Superfamily: ELASMOSAUROIDEA nova
Family: ELASMOSAURIDAE Cope, 1869
Incertae sedis
Gen. sp. indet.
INFRAORDER: PLIOSAUROMORPHA NOVA
Superfamily: PLIOSAUROIDEA Seeley, 1874
Family: PLIOSAURIDAE Seeley, 1874
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
ARGENTINA
PATAGONIA
NEUQUEN PROVINCE
CHALCALOC
LOS MOLLES FORMATION
CALLOVIAN STAGE
MIDDLE DOGGER EPOCH
LATE MIDDLE 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
Ophthalmosaurus sp
_____________________________________________________________________________________
ARGENTINA
PATAGONIA
NEUQUEN PROVINCE
CHACAIO SUR
LOS MOLLES FORMATION
CALLOVIAN STAGE
MIDDLE DOGGER EPOCH
LATE MIDDLE 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
PARVORDER: NEOICHTHYOSAURIA SANDER, 2000
PARVORDER: THUNNOSAURIA MONTANI, 1999
Incertae sedis
*Chacaicosaurus cayi
= Stenopterygius cayiSuperfamily: ICHTHYOSAUROIDEA Bonaparte, 1841 (Emend McGowan & Montani, 2003)
Family: STENOPTERYGIIDAE Jaekel, 1904
*Mollesaurus periallus
Family: ICHTHYOSAURIDAE Bonaparte, 1841
Gen. nova
_____________________________________________________________________________________
ARGENTINA
PATAGONA
NEUQUEN PROVINCE BASIN
LOS MOLLES FORMATION
CALLOVANIAN STAGE
MIDDLE DOGGER EPOCH
LATE MIDDLE 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
Genus nova
_____________________________________________________________________________________