Published Sep 26th, 2021, 9/26/21 9:07 am
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- Ichthyosaurus was smaller than most of its relatives, with individuals measuring up to 3.3 metres (11 ft) in length.
- Many Ichthyosaurus fossils are well-preserved and fully articulated.
- Some fossils still had baby specimens inside them, indicating that Ichthyosaurus was viviparous.
- Similar finds in the related Stenopterygius also show this.
- Jurassic ichthyosaurs had a fleshy dorsal fin on their back as well as a large caudal fin.
- Ichthyosaurus is distinguished from other ichthyosaurs by having a wide forefin with 5 or more digits with an anterior digital bifurcation, but the morphology of the humerus and coracoids are also distinct from that of other Lower Jurassic ichthyosaurs, as is the arrangement of the dermal bones, though the suture lines used to diagnose these are not always visible.
| Model | Dolphin (Java) |
| Resolution | Vanilla |
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