Benson, R. B. J.; Druckenmiller, P. S. (2013). "Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition". Biological Reviews. 89 (1): 1–23. doi:10.1111/brv.12038. PMID23581455. S2CID19710180.
Espen M. Knutsen; Patrick S. Druckenmiller; Jørn H. Hurum (2012). "Two new species of long-necked plesiosaurians (Reptilia: Sauropterygia) from the Upper Jurassic (Middle Volgian) Agardhfjellet Formation of central Spitsbergen". Norwegian Journal of Geology. 92 (2–3): 187–212. ISSN0029-196X.Low resolusion pdfHigh resolusion pdf
nih.gov
pubmed.ncbi.nlm.nih.gov
Benson, R. B. J.; Druckenmiller, P. S. (2013). "Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition". Biological Reviews. 89 (1): 1–23. doi:10.1111/brv.12038. PMID23581455. S2CID19710180.
semanticscholar.org
api.semanticscholar.org
Benson, R. B. J.; Druckenmiller, P. S. (2013). "Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition". Biological Reviews. 89 (1): 1–23. doi:10.1111/brv.12038. PMID23581455. S2CID19710180.
Espen M. Knutsen; Patrick S. Druckenmiller; Jørn H. Hurum (2012). "Two new species of long-necked plesiosaurians (Reptilia: Sauropterygia) from the Upper Jurassic (Middle Volgian) Agardhfjellet Formation of central Spitsbergen". Norwegian Journal of Geology. 92 (2–3): 187–212. ISSN0029-196X.Low resolusion pdfHigh resolusion pdf
worldcat.org
search.worldcat.org
Espen M. Knutsen; Patrick S. Druckenmiller; Jørn H. Hurum (2012). "Two new species of long-necked plesiosaurians (Reptilia: Sauropterygia) from the Upper Jurassic (Middle Volgian) Agardhfjellet Formation of central Spitsbergen". Norwegian Journal of Geology. 92 (2–3): 187–212. ISSN0029-196X.Low resolusion pdfHigh resolusion pdf