NORWAY

SVALBARD ISLAND

SPITSBERGEN

BLANKUTEN MEMBER

BOTHNEHEIA FORMATION

UPPER PTYCHITID LAYER

INDIGIRITES TOZERI ZONE

LATE LADINIAN

LATE MID TRIASSIC EPOCH

LATEST MIDDLE TRIASSIC - LOWER CARNIAN STAGE

LOWER LATE TRIASSIC EPOCH

EARLIEST LATE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: PHALARODONTINAE Maisch & Matzke, 2001

Phalarodon frassi

_____________________________________________________________________________________

NORWAY

SVALBARD ISLAND

SPITSBERGEN

BOTNEHEIDA FORMATION

UPPER LADINIAN STAGE

UPPER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: PHALARODONTINAE Maisch & Matzke, 2001

Phalarodon frassi

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NORWAY

SVALBARD

DICKSON LAND

SOUTHEAST OF THE HAGAHYTTA AT THE FOOT OF THE TSCHEMAKJELLET

COAST OF SAURIEDALEN

TSCHERMAKJELLET FORMATION

KAPP TOSCANA GROUP

LATE LADINIAN

LATE MID TRIASSIC EPOCH

LATEST MIDDLE TRIASSIC - LOWER CARNIAN STAGE

LOWER LATE TRIASSIC EPOCH

EARLIEST LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

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

Family: TORETOCNEMIDAE Maisch & Matzke, 2000

Gen sp indet.

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NORWAY

SVALBARD ISLAND

SPITSBERGEN

DICKSON LAND

MOUNT KONGRESS

LADINIAN STAGE

UPPER MID TRIASSIC EPOCH- CARNIAN STAGE

LOWER LATE TRIASSIC EPOCH

LATE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MERRIAMOSAURIA MONTANI, 1999

Family: MERRIAMOSAURIDAE Maisch & Matzke, 2003

Merriamosaurus hulkei

_____________________________________________________________________________________


NORWAY

SVALBARD ISLAND

SPITSBERGEN

DICKSON LAND

MOUNT KNOGRESS

LADINIAN STAGE

UPPER MID TRIASSIC EPOCH- CARNIAN STAGE

LOWER LATE TRIASSIC EPOCH

LATE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: PHALARODONTINAE Maisch & Matzke, 2001

Phalarodon nordenskioldii
= Phalarodon fraasi
= Mixosaurus fraasi

MICRORDER: LONGIPINNATI HUENE, 1948

ORDER: MERRIAMOSAURIA MONTANI, 1999

SUBORDER: SHASTASAURIA MONTANI, 1999

Family: SHASTASAURIDAE Merriam, 1895

Pessosaurus polaris
= Ichthyosaurus polaris
= Ichthyosaurus (Mixosaurus) polaris
= Shastasaurus polaris
= Cymbospondylus (?) polaris
= Ichthyosaurus (Shastasaurus) polaris

_____________________________________________________________________________________


NORWAY

SVALBARD ISLAND

SPITSBERGEN

SAURIE HOOK

TSCHERMAKFJELLER FORMATION

LADINIAN EPOCH

UPPER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: PHALARODONTINAE Maisch & Matzke, 2001

*Phalarodon nordenskioldii

_____________________________________________________________________________________


NORWAY

SVALBARD ISLAND

SPITSBERGEN

TSCHERMAKFJELLER FORMATION

LADINIAN EPOCH

UPPER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: MIXOSAURINAE Baur, 1887 nom. Transl. Ex MIXOSAURIDAE

Mixosaurus callawayi

_____________________________________________________________________________________

NORWAY

SVALBARD ISLAND

EDGEOYA

BLANKNUTEN MEMBER

BOTNEHEIDA FORMATION

UPPER LADINIAN STAGE

UPPER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

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: HUENEOSAURIA MAISCH & MATZKE, 2000

ORDER: MIXOSAUROIDEA (BAUR, 1887)

Family: MIXOSAURIDAE Baur, 1887

Subfamily: PHALARODONTINAE Maisch & Matzke, 2001

Phalarodon sp

_____________________________________________________________________________________