†unranked clade Lognkosauria Calvo et al. 2007 (sauropod)

Reptilia - Saurischia

Alternative spelling: Longkosauria

Full reference: J. O. Calvo, J. D. Porfiri, B. J. González Riga and A. W. A. Kellner. 2007. A new Cretaceous terrestrial ecosystem from Gondwana with the description of a new sauropod dinosaur. Anais da Academia Brasileira de Ciências 79(3):529-541

Parent taxon: Colossosauria according to B. A. Navarro et al. 2022

See also Calvo et al. 2007, Carballido et al. 2022, Carballido et al. 2017, Filippi 2015, Filippi et al. 2019, González Riga et al. 2016, González Riga et al. 2019, González Riga et al. 2018, González Riga and Ortiz David 2014 and González Riga et al. 2009

Sister taxa: Aeolosaurini, Chucarosaurus, Notocolossus, Puertasaurus, Rinconsauria

Subtaxa: Austroposeidon Drusilasaura Futalognkosaurus Mendozasaurus Quetecsaurus Traukutitan

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Ecology: ground dwelling herbivore

Distribution:

• Cretaceous of Argentina (5 collections), Brazil (1)

Total: 6 collections each including a single occurrence

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