C. spinosum

C. spinosum may refer to:
 * Canthium spinosum, a flowering plant species in the genus Canthium
 * Citharexylum spinosum, the spiny fiddlewood, a flowering plant species in the genus Citharexylum
 * Crucibulum spinosum, the spiny cup-and-saucer snail, a sea snail species native to the west coast of the Americas, from California to Chile

Synonyms

 * Catasetum spinosum, a synonym for Catasetum barbatum, the bearded catasetum, an orchid species
 * Chamaeleo spinosum, a synonym for Rhampholeon spinosus, the rosette-nosed chameleon, a small East African lizard species