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Microcoelus is a dubius genus of small Titanosaurian sauropod dinosaur native to Argentina.[1][2] It is known from only a single dorsal vertebra. A left humerus was formerly referred to this species, but it is now considered to belong to Neuquensaurus.[1] This species may be a synonym of the contemporary sauropod Neuquensaurus australis.[3]

Temporal range: Late Cretaceous
Holotype dorsal vertebra
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Clade: Titanosauria
Clade: Lithostrotia
Family: Saltasauridae
Subfamily: Saltasaurinae
Genus: Microcoelus
Lydekker, 1893
M. patagonicus
Binomial name
Microcoelus patagonicus
Lydekker, 1893

It was described by British paleontologist Richard Lydekker in 1893.[4]


  1. ^ a b A. Otero and M. Reguero. (2013). "Dinosaurs (Reptilia, Archosauria) at Museo de La Plata, Argentina: annotated catalogue of the type material and Antarctic specimens." Palaeontologia Electronica, 16(1): 1-24.
  2. ^ The Palaeobiology Database
  3. ^ J. S. McIntosh. 1990. Sauropoda. In D. B. Weishampel, H. Osmólska, and P. Dodson (eds.), The Dinosauria. University of California Press, Berkeley 345-401
  4. ^ Lydekker, R. (1893). Contributions to a knowledge of the fossil vertebrates of Argentina. I. — The dinosaurs of Patagonia. Anales del Museo de La Plata. Paleontología Argentina 2: 1-16.