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Ichthyosaurus acutirostris
Taxonomy
Ichthyosaurus acutirostris was named by Owen (1840). It is a 3D body fossil. Its type locality is Whitby, marine reptiles, which is in a Falciferum/Bifrons offshore shale in the Alum Shale Formation of the United Kingdom.
It was recombined as Stenopterygius acutirostris by Owen (1881) and McGowan (1974); it was recombined as Leptopterygius acutirostris by von Huene (1922); it was recombined as Temnodontosaurus acutirostris by Maisch (1997), Maisch and Matzke (2000), McGowan and Motani (2003) and Ji et al. (2016).
It was recombined as Stenopterygius acutirostris by Owen (1881) and McGowan (1974); it was recombined as Leptopterygius acutirostris by von Huene (1922); it was recombined as Temnodontosaurus acutirostris by Maisch (1997), Maisch and Matzke (2000), McGowan and Motani (2003) and Ji et al. (2016).
Synonyms
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Synonymy list
Year | Name and author |
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1840 | Ichthyosaurus acutirostris Owen p. 121 |
1851 | Ichthyosaurus longipennis Mantell p. 378 |
1851 | Ichthyosaurus microdon Wagner p. 509 |
1876 | Ichthyosaurus crassimanus Blake p. 253 |
1876 | Ichthyosaurus crassimanus Tate and Blake p. 253 figs. pl. 1, fig. 9 |
1880 | Ichthyosaurus zetlandicus Seeley p. 635 |
1881 | Stenopterygius acutirostris Owen |
1881 | Ichthyosaurus longifrons Owen p. 118 |
1889 | Ichthyosaurus acutirostris Lydekker p. 73 fig. 27 |
1889 | Ichthyosaurus zetlandicus Lydekker p. 76 figs. 28-30 |
1922 | Leptopterygius acutirostris von Huene p. 25 |
1922 | Stenopterygius zetlandicus von Huene p. 45 |
1934 | Ichthyosaurus zetlandicus Swinton p. 64 |
1974 | Stenopterygius acutirostris McGowan |
1997 | Temnodontosaurus acutirostris Maisch fig. 11 |
2000 | Temnodontosaurus acutirostris Maisch and Matzke p. 72 |
2003 | Temnodontosaurus acutirostris McGowan and Motani |
2010 | Ichthyosaurus acutirostris Maisch |
2016 | Temnodontosaurus acutirostris Ji et al. p. 11 |
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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.
†Ichthyosaurus acutirostris Owen 1840
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Invalid names: Ichthyosaurus crassimanus Tate and Blake 1876 [synonym], Ichthyosaurus longifrons Owen 1881 [synonym], Ichthyosaurus longipennis Mantell 1851 [synonym], Ichthyosaurus microdon Wagner 1851 [synonym], Ichthyosaurus zetlandicus Seeley 1880 [synonym]
Diagnosis
Reference | Diagnosis | |
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M. W. Maisch and A. T. Matzke 2000 | "Maxilla low , with straight suture to premaxilla, orbit relatively large, jugal contacts premaxilla, snout rather gracile and slender, ending in a pointed tip." |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range: Early/Lower Toarcian or 183.00000 to 182.00000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Toarcian | France | Ichthyosaurus longifrons (122732) | |
Early/Lower Toarcian | United Kingdom (England) | Leptopterygius acutirostris (90448 90458 90461) | |
Falciferum - Bifrons | United Kingdom (England) | Ichthyosaurus acutirostris, Leptopterygius acutirostris (type locality: 90459) |