Two new species of long-necked plesiosaurians (Reptilia: Sauropterygia) from the Upper Jurassic (Middle Volgian) Agardhfjellet Formation of central Spitsbergen

E. M. Knutsen, P. S. Druckenmiller, and J. H. Hurum

2012

Article

Norwegian Journal of Geology 92:187-212

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Taxa discussed in this work:

• Spitrasaurus
• Spitrasaurus larseni
• Spitrasaurus wensaasi

Taxonomy:

• Spitrasaurus wensaasi belongs to Spitrasaurus - Knutsen et al. (2012)
• Spitrasaurus larseni belongs to Spitrasaurus - Knutsen et al. (2012)