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Shastasauridae
Taxonomy
Shastasauridae was named by Merriam (1902). It was considered monophyletic by Ji et al. (2013).
It was assigned to Longipinnatoidea by Kuhn (1946); to Longipinnati by von Huene (1951); to Ichthyosauria by Hay (1930), Kuhn (1971), Massare and Callaway (1994) and Mcgowan (1994); to Shastasauria by Motani (1999); to Ichthyosauria by Sander (2000); to Shastasauria by McGowan and Motani (2003); to Ichthyopterygia by Carroll (1988) and Ji et al. (2013); and to Merriamosauria by Maisch (2010), Ji et al. (2016) and Lomax et al. (2024).
It was assigned to Longipinnatoidea by Kuhn (1946); to Longipinnati by von Huene (1951); to Ichthyosauria by Hay (1930), Kuhn (1971), Massare and Callaway (1994) and Mcgowan (1994); to Shastasauria by Motani (1999); to Ichthyosauria by Sander (2000); to Shastasauria by McGowan and Motani (2003); to Ichthyopterygia by Carroll (1988) and Ji et al. (2013); and to Merriamosauria by Maisch (2010), Ji et al. (2016) and Lomax et al. (2024).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1876 | Ichthyosaurus carinatus Sauvage |
| 1876 | Ichthyosaurus rheticus Sauvage |
| 1883 | Ichthyosaurus rheticus Sauvage p. 14 |
| 1883 | Ichthyosaurus carinatus Sauvage p. 17 |
| 1902 | Shastasauridae Merriam |
| 1908 | Ichthyosaurus carinatus Merriam p. 153 |
| 1908 | Ichthyosaurus rheticus Merriam p. 153 |
| 1930 | Shastasauridae Hay p. 124 |
| 1946 | Shastasauridae Kuhn p. 59 |
| 1946 | Shastasaurus sieversi Riabinin |
| 1951 | Shastasauridae von Huene p. 90 |
| 1971 | Shastasauridae Kuhn p. 22 |
| 1988 | Shastasauridae Carroll |
| 1994 | Shastasauridae Massare and Callaway p. 140 |
| 1994 | Shastasauridae Mcgowan p. 170 |
| 1999 | Shastasauridae Motani p. 480 |
| 2000 | Shastasauridae Sander |
| 2003 | Shastasauridae McGowan and Motani |
| 2010 | Shastasauridae Maisch |
| 2013 | Shastasauridae Ji et al. |
| 2016 | Shastasauridae Ji et al. p. 10 |
| 2024 | Shastasauridae Lomax et al. p. 8 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Shastasauridae Merriam 1902
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G. †Guizhouichthyosaurus Cao and Luo 2000
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†Guizhouichthyosaurus tangae Cao et al. 2000
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Invalid names: Cymbospondylus asiaticus Li and You 2002 [synonym], Panjiangsaurus epicharis Chen and Cheng 2003 [synonym]
†Guizhouichthyosaurus wolonggangense Chen et al. 2007
G. †Shastasaurus Merriam 1895
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†Shastasaurus alexandrae Merriam 1902
†Shastasaurus careyi Merriam 1902
†Shastasaurus pacificus Merriam 1895
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Invalid names: Shastasaurus altispinus Merriam 1902 [synonym], Shastasaurus osmonti Merriam 1902 [synonym]
†Shastasaurus sikkaniensis Nicholls and Manabe 2004
Invalid names: Shastasaurus carinthiacus von Huene 1925 [nomen dubium], Shastasaurus merriami von Huene 1916 [nomen dubium], Shastasaurus nordensis Ochev 1972 [nomen dubium]
G. †Shonisaurus Camp 1976
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†Shonisaurus popularis Camp 1976
Invalid names: Shonisaurus mulleri Camp 1976 [nomen dubium], Shonisaurus silberlingi Camp 1976 [nomen dubium]
Invalid names: Ichthyosaurus carinatus Sauvage 1876 [nomen dubium], Ichthyosaurus rheticus Sauvage 1876 [nomen dubium], Shastasaurinae Merriam 1908 [empty], Shastasaurus sieversi Riabinin 1946 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Reference: Kiessling 2004 | |||||
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Triassic | USA (California) | Shastasaurus alexandrae, Shastasaurus osmonti (153314) | |
| Ladinian | China (Guizhou) | Guizhouichthyosaurus sp. (213309) | |
| Longobardian | China (Guizhou) | Guizhouichthyosaurus sp. (196509 196510) | |
| Carnian | Mexico (Sonora) | Shastasaurus altispinus (102472 214415) | |
| Carnian | USA (California) | Shastasaurus altispinus (190855) Shastasaurus pacificus (196798) Shastasaurus sp. (152275) | |
| Carnian | China (Guizhou) | Guizhouicthyosaurus tangae, Guanlingsaurus liangae (97713) Panjiangsaurus epicharis (102997) Shastasaurus tangae, Callawayia wolonggangense (98908) | |
| Carnian - Norian | Italy | Shastasauridae indet. (198640) | |
| Carnian - Norian | USA (California) | Shastasaurus careyi (196803) | |
| Tuvalian | China (Guizhou) | Ghuizhouichthyosaurus tangae, Guanlingichthyosaurus liangae (85166) | |
| Tuvalian | Italy (Belluno) | Shonisaurus popularis (99311) | |
| Norian | Canada (British Columbia) | Shastasauridae indet. (107288 107289 107290 107291) | |
| Norian | USA (Oregon) | Shastasaurus osmonti (140303) | |
| Lacian | USA (Nevada) | Shonisaurus popularis, Shonisaurus mulleri, Shonisaurus silberlingi (102368) | |
| Otamitan | New Zealand (South Island) | Shastasauridae indet. (106318) | |
| Alaunian | Canada (British Columbia) | Shonisaurus sikanniensis (97843) | |
| Rhaetian | France (Champagne-Ardennes) | Ichthyosaurus rheticus (139922) | |
| Rhaetian | Switzerland | Shastasauridae indet. (195672) | |
| Rhaetian | France (Provence-Alpes-Cote d'Azur Region) | Shastasauridae indet. (166561) | |
| Rhaetian | Germany (Westphalia) | Shonisaurus sp. (218156) | |
| Rhaetian | France (Burgundy) | Ichthyosaurus rheticus (144759) Ichthyosaurus rheticus, Ichthyosaurus carinatus, Rachitrema pellati (144758) | |
| Rhaetian | United Kingdom (England) | Ichthyotitan severnensis (141373) | |
| Rhaetian | Austria | Shastasauridae indet. (195671) |