Janusaurus
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| Janusaurus Temporal range: Tithonian
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| File:Janusaurus.png | |
| Holotype skull | |
| Scientific classification Error creating thumbnail: | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | †Ichthyosauria |
| Family: | †Ophthalmosauridae |
| Subfamily: | †Ophthalmosaurinae |
| Genus: | †Janusaurus Roberts et al., 2014 |
| Species: | †J. lundi
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| Binomial name | |
| †Janusaurus lundi Roberts et al., 2014
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Janusaurus is an extinct genus of ophthalmosaurid ichthyosaur from the Upper Jurassic Slottsmøya Member, Agardhfjellet Formation of Central Spitsbergen. The holotype consists of a partial skull and postcrania, and would have belonged to an individual measuring 3–4 m (9.8–13.1 ft) long.[2] In 2019, Janusaurus was synonymized with Arthropterygius, though maintained as a separate species, by Nikolay Zverkov and Natalya Prilepskaya,[3] although this synonymy was objected to later that same year by Lene Delsett and colleagues, who maintained that they were sufficiently different to warrant separate genera.[4]
Gallery
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Restored skull
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Video presentation
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Map of fossil locality
See also
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