Tamaki Sato, Yoshikazu Hasegawa, Makoto Manabe: A new elasmosaurid plesiosaur from the upper cretaceous of Fukushima, Japan. In: Palaeontology. Bd. 49, Nr. 3, 2006, ISSN0031-0239, S. 467–484, doi:10.1111/j.1475-4983.2006.00554.x.
Tamaki Sato, Yoshikazu Hasegawa, Makoto Manabe: A new elasmosaurid plesiosaur from the upper cretaceous of Fukushima, Japan. In: Palaeontology. Bd. 49, Nr. 3, 2006, ISSN0031-0239, S. 467–484, doi:10.1111/j.1475-4983.2006.00554.x.