Species: piscosus LEIDY, 1868
Etymology:

Holotype:

Locality: New Pass, Toiyabe Range, about 30 miles west of Austin, Lander County, Nevada.

Horizon: Prida Formation.

Biostratigraphy:

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

Material: Nearly complete dorsal vertebrae with parts of 4 others.

Referred material:

= Cymbospondylus petrinus LEIDY, 1868
Etymology:

Holotype:

Locality: Star Canyon, West Humboldt Range, Humbolt County, Nevada.

Horizon: Prida Formation.

Biostratigraphy:

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

Material:

Referred material:

UCMP 8120, 8128, 9943, 9947: Fragmentary skeletons.

UCMP 9954: Skull.

 

 

Locality: American Canon, West Humboldt Range, Humbolt County, Nevada.

Horizon: Prida Formation.

Biostratigraphy:

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

Material:

9154: Fragmentary skeleton.

UCMP 9950: Skull and skeleton missing the posterior caudals.

UCMP 9913: Skull.

= Chonespondylus grandis LEIDY, 1868
Etymology: Latin, grandis, "large, grown up."
= Cymbospondylus (?) grandis (LEIDY, 1868)

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: nevadanus MERRIAM, 1908
Etymology: In reference to Nevada, where the specimen was discovered.

Holotype: UCMP 10620

Locality: New Pass, Toiyabe Range, about 30 miles west of Austin, Lander County, Nevada.

Horizon: Prida Formation.

Biostratigraphy:

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

Material: Fragmentary skeleton.

Referred material:

UCMP 10821: Isolated vertebral centrum.

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Species: germanicus HUENE, 1916 (nomen dubium)
Etymology: In reference to Germany, where the specimen was found.
= Ichthyosaurus atavus var major E. FRAAS, 1891 (partim)
Etymology:

Holotype:

Locality: Germany.

Horizon: Muschelkalk beds, Wellen-Dolomit.

Biostratigraphy:

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

Material: Basioccipital, neural arch, and vertebrae.

Referred material:

CORROY 1928

Locality: Blainville, Eastern France.

Horizon:

Biostratigraphy:

Age: Lower Lettenkohle, Middle Triassic.

Material:

Number: Not given: Vertebral column. This may not be Cymbospondylus.

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Species: parvus HUENE, 1916
Etymology: Latin, parvus, "little, small."

Number: ETHGI Fr 214 & PIMUZ A/III 175

Locality: Laufenburg, Baden-Wurttemberg State, Germany.

Locality: Muschelkalk beds, Wellenkalk, Wellen-Dolomit

Biostratigraphy:

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

Material: Anterior dorsal centra and a complete mid-dorsal centrum.

Referred material:

Locality: Northern Switzerland.

Horizon: Wellenkalk.

Biostratigraphy:

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

Material:

Number: Not given: 2 centra.

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Species: buchseri SANDER, 1989
Etymology:

Holotype: PIMUZ T 4351

Locality: Cava Tre Fontane, Monte San Giorgio, Ticino Canton, Switzerland.

Horizon: Grenzbitumenzone Beds.

Biostratigraphy:

Age: Anisian-Ladinian boundary, Lower Mid Triassic Epoch, Middle Triassic.

Material: Skull and skeleton missing distal ends of fore limbs and from just in front of the pelvis.

Referred material:

= Shastasaurus sp KUHN-SCHNYDER, 1980

Locality: Seceda, Trention-Alto Adige, Italy.

Horizon: Buchensteiner Schihten.

Biostratigraphy:

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

Material:

Number: Not given: Four fragments of the middle and posterior dorsal vertebral column with 3 to 8 vertebrae each, assorted rib fragments, 3 isolated vertebral centra, and fragments of pubis and hind limb.

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Species: nichollsi FRÖBISCH, SANDER & RIEPPEL, 2006
Etymology: In memory and honour of Dr. Elizabeth L. Nicholls, curator of marine reptiles at the Royal Tyrell Museum, Drumheller, Canada, for her work on Triassic ichthyosaurs, with greatly contributed to the increased knowledge and understanding of the group.
= Nova STOECKER, 2003

Holotype: FMNH PR2251

Locality: Exact locality on file at the FMNH, T25N, R39E, Section 14, USGS Cain Mountain 7.5' quadrangle, 1990 provisional edition, Augusta Mountains, Pershing County, Nevada.

Horizon: Fossil Hill Member, Favret Formation.

Biostratigraphy:

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

Material: Anterior half of an articulated skeleton, comprising the skull without the rosturm, articulated vertebral column with neural arches and ribs, extending to the middle dorsal region, and parts of the shoulder girdle.

Note: Has pit marks on the parietal plateau.

Note: With zygopophyseal fusion, with accompanying bone rugosity and malformation, in cervicla vertebrae 6-9 (PARDO-PEREZ, KEAR, GOMEZ, MORONI & MAXWELL, 2018).

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Species: duelferi KLEIN, SCHMITZ, WINTRICH & SANDER, 2020
Etymology: In honor of preparator Oalf Dülfer, for his many practical conributions to Mesozoic marine reptile research.

Holotype: LACM DI 158109

Locality: LACM 8031, nothern slope of the rear of Favret Canyon, Augusta Mountains, Pershing County, Nevada.

Horizon: Upper third Fossil Hill Member, Favret Formation.

Biostratigraphy: Rotelliformes or Meeki Zones.

Age: Anisian Stage, Early Middle Triassic Epoch, Early Middle Triassic.

Material: An incomplete and partially disarticulated skelton preserving an anteriorly incomplete skull, shoulder girdel elemetns, parts of both forelimbs, ribs and vertebrae.