Temporal range: Early Triassic
Grippia is a genus of ichthyosaur, an extinct group of reptiles that resembled dolphins. Fossils have been found along the coasts of Greenland, China, Japan, and Canada; of Early Triassic age. These ichthyosaurs were small; they were 1-1.5 m (3.3-4.9 ft) in length. Fossil remains from Svalbard from the specimen SVT 203 were originally assigned to Grippia longirostris but are now thought to have belonged to a non-ichthyopterygian diapsid related to Helveticosaurus.
- Mazin, J.-M. (1981). Grippia longirostris Wiman, 1929, un Ichthyopterygia primitif du Trias inférieur du Spitsberg. Bulletin du Muséum National d’Histoire Naturelle 4:317–340.
- Motani, R. (2000). Skull of Grippia longirostris: no contradiction with a diapsid affinity for the Ichthyopterygia. Palaeontology 43:1-14.
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