| Agrosaurus early long-neck | Agrosaurus macgillivrayi | Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago | 1891 | Not established | 3 m · 10 ft | Not established | Agrosaurus was formally named in 1891 by H. G. Seeley. The name means “field lizard.” |
| Ahvaytum early long-neck | Ahvaytum bahndooiveche | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2025 | Not established | Not established | Not established | In 2025, D. M. Lovelace and colleagues published the name Ahvaytum. The name means “long ago.” |
| Anteavis sharp-clawed runner | Anteavis crurilongus | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2025 | Not established | Not established | Not established | In 2025, R. N. Martínez and colleagues published the name Anteavis. The name means “before birds.” |
| Asylosaurus early long-neck | Asylosaurus yalensis | Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago | 2007 | 0.5 m · 2 ft | 2 m · 7 ft | 250 kg · 551 lb | The genus Asylosaurus dates to 2007, the year P. M. Galton described it. The name means “unharmed lizard.” |
| Bagualosaurus early long-neck | Bagualosaurus agudoensis | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2018 | 0.7 m · 2 ft | 2.2 m · 7 ft | 6 kg · 13 lb | The genus Bagualosaurus dates to 2018, the year F. A. Pretto and colleagues described it. The name means “strongly built fellow.” |
| Blikanasaurus early long-neck | Blikanasaurus cromptoni | Late Triassic (Norian · Rhaetian) · roughly 227.3 to 201.4 million years ago | 1985 | 1 m · 3 ft | 4 m · 13 ft | 200 kg · 441 lb | Blikanasaurus was formally named in 1985 by P. M. Galton and J. Van Heerden. The name means “lizard from Blikana.” |
| Buriolestes early long-neck | Buriolestes schultzi | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2016 | 0.5 m · 2 ft | 1.5 m · 5 ft | 6–15 kg · 13–33 lb | In 2016, S. F. Cabreira and colleagues published the name Buriolestes. The name honors a person tied to the fossil or its study. |
| Camelotia early long-neck | Camelotia borealis | Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago | 1985 | Not established | 8–10 m · 26–33 ft | 3.8 tonnes | Camelotia was formally named in 1985 by P. M. Galton. The name means “from Camelot.” |
| Camposaurus sharp-clawed runner | Camposaurus arizonensis | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1998 | Not established | Not established | Not established | The genus Camposaurus dates to 1998, the year A. P. Hunt and colleagues described it. The name honors a person tied to the fossil or its study. |
| Caseosaurus early dinosaur · Disputed | Caseosaurus crosbyensis | Late Triassic (Carnian · Norian) · roughly 237 to 205.7 million years ago | 1998 | Not established | 2 m · 7 ft | 50 kg · 110 lb | The genus Caseosaurus dates to 1998, the year A. P. Hunt and colleagues described it. The name honors a person tied to the fossil or its study. |
| Chindesaurus early dinosaur | Chindesaurus bryansmalli | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1995 | Not established | 4 m · 13 ft | 23–45 kg · 51–99 lb | In 1995, R. A. Long and P. A. Murry published the name Chindesaurus. The name honors a person tied to the fossil or its study. |
| Chromogisaurus early long-neck | Chromogisaurus novasi | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2010 | 0.5 m · 2 ft | 2 m · 7 ft | 12 kg · 26 lb | In 2010, M. D. Ezcurra published the name Chromogisaurus. |
| Coelophysis sharp-clawed runner | Coelophysis bauri | Late Triassic (Norian · Rhaetian) · roughly 227.3 to 201.4 million years ago | 1889 | Not established | 1.5–3 m · 5–10 ft | 15–24 kg · 33–53 lb | The genus Coelophysis dates to 1889, the year E. D. Cope described it. |
| Coloradisaurus early long-neck | Coloradisaurus brevis | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1978 | 1.6 m · 5 ft | 3 m · 10 ft | 70 kg · 154 lb | Coloradisaurus was formally named in 1978 by J. F. Bonaparte. The name means “los Colorados lizard.” |
| Daemonosaurus early dinosaur | Daemonosaurus chauliodus | Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago | 2011 | 0.4 m · 1 ft | 1.5–2.2 m · 5–7 ft | 9–23 kg · 20–51 lb | Daemonosaurus was formally named in 2011 by H. D. Sues and colleagues. The name means “demon lizard.” |
| Dolichosuchus sharp-clawed runner · Doubtful name | Dolichosuchus cristatus | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1932 | Not established | Not established | Not established | Dolichosuchus was formally named in 1932 by F. V. Huene. |
| Efraasia early long-neck | Efraasia minor | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1973 | 1.2 m · 4 ft | 6–7 m · 20–23 ft | 365 kg · 805 lb | Efraasia was formally named in 1973 by P. M. Galton. The name honors a person tied to the fossil or its study. |
| Eodromaeus sharp-clawed runner | Eodromaeus murphi | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2011 | 0.2 m · 1 ft | 1.2 m · 4 ft | 5–7 kg · 11–15 lb | In 2011, R. N. Martínez and colleagues published the name Eodromaeus. |
| Eoraptor early long-neck | Eoraptor lunensis | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 1993 | 0.5 m · 2 ft | 1.2–1.3 m · 4–4 ft | 10 kg · 22 lb | In 1993, P. C. Sereno and colleagues published the name Eoraptor. The name means “dawn thief.” |
| Erythrovenator sharp-clawed runner | Erythrovenator jacuiensis | Late Triassic (Carnian · Norian) · roughly 237 to 205.7 million years ago | 2021 | 0.4 m · 1 ft | 2 m · 7 ft | 9 kg · 20 lb | The genus Erythrovenator dates to 2021, the year R. T. Müller described it. The name means “red hunter.” |
| Eucnemesaurus early long-neck | Eucnemesaurus fortis | Late Triassic (Norian · Rhaetian) · roughly 227.3 to 201.4 million years ago | 1920 | 2 m · 7 ft | 8 m · 26 ft | 1.4 tonnes | Eucnemesaurus was formally named in 1920 by E. C. N. Van Hoepen. |
| Euskelosaurus early long-neck · Doubtful name | Euskelosaurus browni | Late Triassic (Norian · Rhaetian) · roughly 227.3 to 201.4 million years ago | 1866 | Not established | Not established | Not established | Euskelosaurus was formally named in 1866 by T. H. Huxley. The name means “good-legged lizard.” |
| Gnathovorax early dinosaur | Gnathovorax cabreirai | Late Triassic (Carnian) · roughly 237 to 227.3 million years ago | 2019 | Not established | Not established | Not established | The genus Gnathovorax dates to 2019, the year C. Pacheco and colleagues described it. The name means “devouring jaw.” |
| Gojirasaurus sharp-clawed runner · Doubtful name | Gojirasaurus quayi | Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago | 1997 | Not established | 5.5–6 m · 18–20 ft | 150–190 kg · 331–419 lb | Gojirasaurus was formally named in 1997 by K. Carpenter. The name honors a person tied to the fossil or its study. |