Opisthocoelicaudiinae

Opisthocoelicaudiinae is a subfamily of titanosaurian dinosaurs from the Late Cretaceous, ranked as a subfamily. It was named by John McIntosh in 1990. Opisthocoelicaudiines are known from Mongolia, Argentina, and the United States. Two genera were assigned to Opisthocoelicaudiinae by Gonzalez et al. (2009): Alamosaurus and Opisthocoelicaudia (the type genus),[2] a conclusion also found by Díez Díaz et al. (2018).[1] The hands of opisthocoelicaudiines lacked wrist bones and phalanges.[3]

Opisthocoelicaudiines
Temporal range: Late Cretaceous,
Opisthocoelicaudia skeleton restoration in Museum of Evolution of Polish Academy of Sciences in Warsaw
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Macronaria
Clade: †Titanosauria
Clade: †Lithostrotia
Family: †Saltasauridae
Subfamily: †Opisthocoelicaudiinae
McIntosh, 1990
Genera[1]

References
  1. Díez Díaz, V.; Garcia, G.; Pereda-Suberbiola, X.; Jentgen-Ceschino, B.; Stein, K.; Godefroit, P.; Valentin, X. (2018). "The titanosaurian dinosaur Atsinganosaurus velauciensis (Sauropoda) from the Upper Cretaceous of southern France: New material, phylogenetic affinities, and palaeobiogeographical implications". Cretaceous Research. 91: 429–456. doi:10.1016/j.cretres.2018.06.015.
  2. González Riga, Bernardo J.; Previtera, Elena; Pirrone, Cecilia A. (2009). "Malarguesaurus florenciae gen. et sp. nov., a new titanosauriform (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza, Argentina". Cretaceous Research. 30 (1): 135–148. doi:10.1016/j.cretres.2008.06.006.
  3. Tidwell, Virginia; Carpenter, Kenneth (2005). Thunder-Lizards: The Sauropodomorph Dinosaurs. Bloomington, Indiana: Indiana University Press. p. 339. ISBN 0-253-34542-1. Retrieved April 6, 2010.
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