Genus: Mixosaurus BAUR, 1887
Etymology: Greek, mixis, “mixture”, and Greek, sauros, “lizard”: Mixture lizard.
= Sangiorgiosaurus BRINKMANN, 1998
Etymology: Abbreviation for Monte San Giorgio, and Greek, sauros, “lizard”.

Species: cornalianus (BASSANI, 1886) BAUR, 1887
Etymology:
= Ichthyosaurus cornalianus BASSANI, 1886
= Mixosaurus cornalianus cornalianus (BASSANI, 1886)

Holotype:

Locality: Monte San Giorgio, Tessin Canton, Switzerland.

Horizon: Besano Formation.

Biostratigraphy: Grenzbitumenzone.

Age: Anisian/Ladinian Stage boundary, Mid Triassic Epoch, Middle Triassic.

Material: Skull and skeleton.

 

KOLB, SANZHEZ-VILLAGRA & SCHEYER, 2011

PIMUZ T 77: Humerus of a very small individual.

PIMUZ T 1296, T 2046, T. 2338: Fragmentary specimen.

PIMUZ T 5844: Fragmentary specimen of a lare individual.

BRINKMANN, 1996

Neotype: PIMUZ T4830

Locality: Site Punkt 902, Monte San Giorgio, Tessin Canton, Switzerland.

Horizon: Besano Formation.

Biostratigraphy: Grenzbitumenzone.

Age: Anisian/Ladinian Stage boundary, Mid Triassic Epoch, Middle Triassic.

Material: Fragmentary skull, and fragmentary skeleton of a female with 3 fragmentary embryos.

Referred material:

MONTI, 1999: SMNS 54068, BMNH R5702: Fragmentary skulls.

HUENE,

Pal. Universitats-Museum: Skull and fragmentary skeleton.

KUHN-SCHYNDER, 1963: Numerous skeletons and skulls.

MAISCH & MATZKE, 1997

GPIT Nr. 1799/1-3: 3 nearly complete specimen.

MAISCH & MATZKE, 1998

GPIT 1806/1: Disarticulated partial skeleton represented by a complete left humerus, complete left radius, autopodial element (distal phalanx?), basioccipital, stapes, tooth, rib-fragments and vertebrae.

GPIT 1806/2: Well preserved forelimb of medium sized individual, lacking humerus and other elements.

GPIT 1806/3: Incomplete skeleton of a very small individual lacking most of the skull and entire tail.

GPIT 1806/4: Almost complete, but badly disarticulated skeleton of a small individual with well preserved skull in dorsal view.

GPIT 1806/5: Complete and slightly disarticulated skeleton of a small individual in dorsal view with parts of a second skeleton.

GPIT uncatalouged: Complete and well-preserved skeleton of a small individual in right lateral view with partial soft-tissue preserved. Original of HUENE, 1935, pl 1, fig 1.

GPIT uncatalouged: Largely complete but ill-preserved skeleton lacking most of the tail, big individual preserved in dorsal view. Original of HUENE, 1935, pl. 1, fig 2.

GPIT uncatalogued: Complete skull with partial postcranial skeleton. Original of. V. HUENE, 1949, Fig 1, Fig, 7.

MAISCH, MATZKE & BRINKMANN, 2006

PIMUZ T4848: Complete specimen.

 

HUENE

Locality: Besano, Lombardia Province, Italy.

Horizon:

Biostratigraphy:

Age: Middle Triassic.

Material

Pal. Universitats-Museum: Skull and skeleton.

Museum of Ungarischen Geologischen Anstalt, Budapest: Skull and fragmentary skeleton.

Number: Skull.

REPOSSI

OIMUZ T 4376: Fragmentary skull and fragmentary skeleton.

 

McGOWAN, 1972

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

BMNH 5702: Left fin.

 

WIMAN

Locality: Lokal near Besano, SW of Porto Ceresio, Italy.

Horizon:

Biostratigraphy:

Age: Middle Triassic.

Material:

Number: Not given: Fragmentary skull and fragmentary skeleton.

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Species: (?)hectori LYDEKKER, 1889
Etymology:
= Ichthyosaurus australis HECTOR, 1874 non McCOY, 1867
Etymology:
= Eosaurus australis HECTOR, 1876
Etymology:
= Ichthyosaurus pottsi HECTOR, 1886
Etymology:

Holotype:

Locality: Mount Potts, Rangitata Valley, South Island, New Zealand.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: Centrum.

Referred material:

FLMING, GREGG & WELLES


Locality: Mount Potts Rocky Gully, Ashburton County, South Island, New Zealand.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material:

GS 401: Ribs and bone fragments.


HAAST, 1862

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given: Portions of ribs and a vertebral centrum.

 

McKAY 1877

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given: Vertebrae, ribs and a possible humerus, and a dermal scute?

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Species: kuhnschnyderi (BRINKMAN, 1998)
Etymology: In honor of Prof. Dr. Emil Kuhn-Schnyder (1905-1994)
= Sangiorgiosaurus kuhnschnyderi BRINKMANN, 1998

Holotype: PIMUZ T1324

Locality: Punkt 902, (Mirigioli) Monte San Giorgio, Tessin Canton, Switzerland.

Horizon: Besano Formation.

Biostratigraphy:

Age: Ansian/Ladian Stage, Mid Triassic Epoch, Middle Triassic.

Material: Fragmentary specimen.

Referred material:

Aff. Sangiorgiosaurus n. g. PIMUZ T1311: Fragmentary specimen.

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Species: callawayi SCHMITZ, SANDER, STORRS & RIEPPEL, 2004
Etymology: In honor of the late Jack Callaway for his pioneering work on ichthyosaur phylogeny.
= Mixosaurus nordenskioldii WIMAN, 1910 (partim)
= Mixosaurus nordenskioldii MAZIN, 1984
= Mixosaurus cf. M. nordenskioldii CALLAWAY & BRINKMANN, 1989
= Mixosaurus cf. nordenskioldii MAISCH & MATZKE, 1997
= Mixosaurus cf nordenskioldii BRINKMANN, 1998
= Phalarodon nordenskioldii NICHOLLS et al, 1999 (partim)
= Mixosaurus nordenskioldii McGOWAN & MOTANI, 2003 (partim)

Holotype: CMC VP 7275

Locality: North branch of the canyon south of Favret Canyon, informally known as Muller Canyon, Augusta Mountains, Pershing County, Nevada.

Horizon: Fossil Hill Member, Favret Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic Epoch, Middle Triassic.

Material: Nearly complete skull, cervical and first dorsal vertebrae, and scapula.

Referred material:

Locality: Wapiti Lake area, British Columbia Province, Canada.

Horizon: Whistler Member and Llama Member, Sulphur Mountain Formation.

Biostratigraphy:

Age: Upper Scythian Epoch, Late Early Triassic.

Material:

RTMP 83.153.7, 89.126.4, 126.5:

 

 

Locality: Spitsbergen, Svalbard Island, Norway.

Horizon: Equivalent to "Upper Saurian Niveau", Tschermakfjeller Formation.

Biostratigraphy:

Age: Ladinian Epoch, Upper Mid Triassic Epoch, Middle Triassic.

Material:

PMU R103, R184, R187, R188, R189, R191, R192, R475, R492, NRM R34, MNHN 328:

 

 

CALLAWAY & BRINKMAN, 1989

Locality: Locality B, Wapiti Lake, British Columbia Province, Canada.

Horizon: Llama Member, Sulphur Mountain Formation.

Biostratigraphy:

Age: Upper Scythian Epoch, Late Early Triassic.

Material:

RTMP 86.153.1: 42 partial middle and posterior caudal vertebrae.

NICHOLLS, BRINKMAN & CALLAWAY, 1999

RTMP 91.120.7: Maxilla.

 

Locality: Locality D, Wapiti Lake, British Columbia Province, Canada.

Horizon: Llama Member, Sulphur Mountain Formation.

Biostratigraphy:

Age: Griesbachian to Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

RTMP 89.127.14: Caudal vertebrae.

RTMP 89.127.15: Posterior skull, preserved in dorsal view, lower jaw with teeth, anterior dorsal vertebrae and humeurs.

 


Locality: Locality E, Wapiti Lake, British Columbia Province, Canada.

Horizon: Llama Member, Sulphur Mountain Formation.

Biostratigraphy:

Age: Upper Scythian Epoch, Late Early Triassic.

Material:

RTMP 91.121.2: Dentary.

 

Locality: Locality T, Wapiti Lake, British Columbia Province, Canada.

Horizon: Llama Member, Sulphur Mountain Formation.

Biostratigraphy:

Age: Upper Scythian Epoch, Late Early Triassic.

Material:

RTMP 88.99.18: Posterior dorsal, anterior caudal vertebrae.

RTMP 89.126.12: Mandiular elements and teeth.

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