Genus: Spinolestes MARTIN, MARUGAN-LOBON, VULLO, MARTIN-ABAD, LUO, & BUSCALIONI, 2015
Etymology: Latin, spinosus, "spiny"; in reference to the spiny integument, and Greek, lestes (Latin spelling), "robber"; a common term in taxonomic names of mammls. 

Species: xenarthrosus MARTIN, MARUGAN-LOBON, VULLO, MARTIN-ABAD, LUO, & BUSCALIONI, 2015
Etymology: Greek, xenos, "strange," Greek, articulation facets, and Greek, articulation; of dorsal vertebrae.

Holotype: MCCMLH3000

Locality: Las Hoyas fossil site, La Cierva Township, 20 km east of Cuenca, in the Castellan Branch of the Iberian Range, Cuenca Province, Spain.

Horizon: Calizas de La Huerguina Formation.

Biostratigraphy:

Age: Upper Hauterivian Stage, Late Neocomian subepoch-Lower Barremian Stage, Early Gallic subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: A compoete skeleton with integumentary structures preserved (Hair, skin, ear, internal organs).