Reptilia - Squamata - Mosasauridae
Alternative spelling: Russellosaurinae
Parent taxon: Mosasauridae according to C. R. Kiernan and J. A. Ebersole 2023
See also Bardet et al. 2006, Bell and Polcyn 2005, Bell et al. 2013, Cuthbertson and Holmes 2015, Cuthbertson et al. 2007, Grigoriev and Grabovskiy 2020, Komishi and Caldwell 2009, Konishi et al. 2010, Konishi and Caldwell 2011, Konishi et al. 2012, Otero et al. 2017, Plasse et al. 2024, Polcyn and Bell 2005 and Romano et al. 2019
Sister taxa: Amphorosteus, Amphorosteus brumbyi, Clidastes iguanavus, Compressidens, Globidentinae, Haasiasaurus, Halisaurinae, Halisauromorpha, Liodon congrops, Mosasaurinae, Mosasaurus crassidens, Mosasaurus mitchillii, Mosasaurus platyodon, Platecarpinae, Prognathosaurus, Tylosaurinae, Tylosaurus capensis, Yaguarasaurinae
Subtaxa: Angolosaurus Platecarpus ptychodus Plioplatecarpinae
Ecology: aquatic carnivore