†unranked clade Flagellicaudata Harris and Dodson 2004 (sauropod)
Full reference: J. D. Harris and P. Dodson. 2004. A new diplodocoid sauropod dinosaur from the Upper Jurassic Morrison Formation of Montana, USA. Acta Palaeontologica Polonica 49(2):197-210
Parent taxon: Diplodocimorpha according to P. D. Mannion and A. J. Moore 2025
See also Gallina and Apesteguía 2005, Gallina et al. 2014, Harris 2006, Harris and Dodson 2004, Ibiricu et al. 2012, Mannion et al. 2019, Remes 2009, Salgado et al. 2006, Taylor and Naish 2005, Tschopp and Mateus 2013, Tschopp et al. 2015 and Whitlock 2011
Sister taxon: Rebbachisauridae
Subtaxa: Cetiosauriscus Dicraeosauridae Diplodocidae Diplodocus lacustris Lingwulong
Ecology: ground dwelling herbivore