Excalibosaurus (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Excalibosaurus" in Spanish language version.

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archive.org (Global: 6^th place; Spanish: 5^th place)

McGowan, C. (1986). «A putative ancestor for the swordfish-like ichthyosaur Eurhinosaurus». Nature 322 (6078): 454-456. doi:10.1038/322454a0.

doi.org (Global: 2^nd place; Spanish: 2^nd place)

dx.doi.org

McGowan, C. (1986). «A putative ancestor for the swordfish-like ichthyosaur Eurhinosaurus». Nature 322 (6078): 454-456. doi:10.1038/322454a0.
McGowan, C. (2003). «A new Specimen of Excalibosaurus from the English Lower Jurassic». Journal of Vertebrate Paleontology 23: 950-956. doi:10.1671/1860-20.
Motani, R. (1999). «Phylogeny of the Ichthyopterygia». Journal of Vertebrate Paleontology 19: 473-496. doi:10.1080/02724634.1999.10011160.