Microcoelus

Microcoelus (meaning "small hollow") is a dubious genus of small titanosaurian sauropod dinosaur from the Bajo de la Carpa Formation, 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 is considered a nomen dubium.^[1]

Microcoelus Temporal range: Late Cretaceous Santonian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Holotype dorsal vertebra
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	†Sauropodomorpha
Clade:	†Sauropoda
Clade:	†Macronaria
Clade:	†Titanosauria
Family:	†Saltasauridae
Subfamily:	†Saltasaurinae
Genus:	†Microcoelus Lydekker, 1893
Species:	†M. patagonicus
Binomial name
†Microcoelus patagonicus Lydekker, 1893

It was described by British paleontologist Richard Lydekker in 1893.^[3]