Description originale
J. L. Sanz, J. E. Powell, and J. Le Loeuff, R. Martinez, X. Pereda-Suberbiola. 1999. Sauropod remains from the Upper Cretaceous of Laño (northcentral Spain). Titanosaur phylogenetic relationships. Estudios del Museo de Ciencias Naturales de Alava 14(especial 1):235-255