Reptilia - Saurischia - Diplodocidae
Parent taxon: Diplodocidae according to P. D. Mannion and A. J. Moore 2025
See also Foster and Peterson 2016, Gallina et al. 2014, Mannion et al. 2012, McIntosh 1990, McIntosh 1990, Remes 2006, Remes 2007, Remes 2009, Romer 1956, Royo-Torres et al. 2007, Salgado 1999, Salgado et al. 2006, Steel 1970, Swinton 1970, Taylor and Naish 2005, Tschopp and Mateus 2013, Tschopp et al. 2015 and Wilson 2002
Sister taxon: Apatosaurinae
Subtaxa: Ardetosaurus Barosaurus Dinheirosaurus Diplodocus Galeamopus Leinkupal Supersaurus Tornieria
Distribution:
• Cretaceous of Argentina (1 collection), South Africa (2)
• Jurassic of Chile (1), Georgia (1), Portugal (5), Spain (1), Tanzania (14), United States (91: Colorado, Montana, New Mexico, Oklahoma, South Dakota, Utah, Wyoming), Zimbabwe (1)
Total: 117 collections including 134 occurrences