Otero, R. A. 2016. Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous. PeerJ, 4:e1777. https://doi.org/10.7717/peerj.1777
Otero, R. A. 2016. Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous. PeerJ, 4:e1777. https://doi.org/10.7717/peerj.1777