Named By: R. M. Appleby - 1979.
Classification: Chordata, Reptilia, Ichthyosauria, Ichthyosauridae.
Species: P. prostaxalis (type), P. applebyi.
Size: P. prostaxalis etimated at about 2.5 meters long. P. applebyi estimated at abuot 2 meters long.
Known locations: England - Blue Lias Formation.
Time period: Late Triassic/Early Jurassic.
Fossil representation: Partial remains of a few individuals.
is a genus of small ichthyosaur
that lived during the early Jurassic,
though possibly also in the Late Triassic.
- The affinities of Liassic and later ichthyosaurs. Palaeontology 22(4):921-946. - R. M. Appleby - 1979.
- The taxonomic utility of forefin morphology in Lower Jurassic ichthyosaurs: Protoichthyosaurus and Ichthyosaurus. - Journal of Vertebrate Paleontology 37(5): e1361433. - D. R. Lomax, J. A. Massare & R. T. Mistry - 2017.
- A second specimen of Protoichthyosaurus applebyi (Reptilia: Ichthyosauria) and additional information on the genus and species. - Paludicola. 11 (4): 164–178. - Dean R. Lomax & Judy A. Massare - 2018.