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Proteosaurus platyodon
Taxonomy
Ichthyosaurus platyodon was named by Conybeare (1822).
It was recombined as Proteosaurus platyodon by Hay (1902) and Hay (1930); it was recombined as Leptopterygius platyodon by von Huene (1922) and Delair (1960).
It was recombined as Proteosaurus platyodon by Hay (1902) and Hay (1930); it was recombined as Leptopterygius platyodon by von Huene (1922) and Delair (1960).
Synonyms
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Synonymy list
Year | Name and author |
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1822 | Ichthyosaurus platyodon Conybeare pp. 94-105 fig. 34 |
1822 | Ichthyosaurus platyodon Parkinson p. 300 |
1834 | Ichthyosaurus chiroligostinus Hawkins p. 12 figs. Pl. III |
1840 | Ichthyosaurus platyodon Owen p. 112 |
1840 | Ichthyosaurus lonchiodon Owen p. 116 |
1851 | Ichthyosaurus platyodon Mantell p. 362 |
1851 | Ichthyosaurus lonchiodon Mantell p. 363 |
1858 | Ichthyosaurus platyodon Buckland p. 168 |
1902 | Proteosaurus platyodon Hay p. 462 |
1922 | Leptopterygius lonchiodon von Huene p. 16 |
1922 | Leptopterygius platyodon von Huene p. 18 |
1930 | Proteosaurus platyodon Hay p. 128 |
1934 | Ichthyosaurus platyodon Swinton p. 66 |
1960 | Leptopterygius platyodon Delair p. 71 |
1960 | Leptopterygius lonchiodon Delair p. 72 |
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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.
†Proteosaurus platyodon Conybeare 1822
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Invalid names: Ichthyosaurus chiroligostinus Hawkins 1834 [synonym], Ichthyosaurus lonchiodon Owen 1840 [synonym]
Diagnosis
Reference | Diagnosis | |
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W. D. Conybeare 1822 | Upper part of the tooth conical, not very acute, slightly aduncate, and thickly covered with prominent longitudinal striae. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range: base of the Hettangian to the top of the Late/Upper Sinemurian or 201.30000 to 189.60000 Ma
Collections (6 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Hettangian | United Kingdom (England) | Ichthyosaurus chiroligostinus (153782) Ichthyosaurus platyodon (149321) | |
Early/Lower Sinemurian | United Kingdom (England) | Ichthyosaurus platyodon (140334 227266) | |
Late/Upper Sinemurian | Belgium (Luxembourg) | Ichthyosaurus platyodon (176256) | |
Late/Upper Sinemurian | United Kingdom (England) | Ichthyosaurus platyodon (227267) |