C. carbonaria

C. carbonaria may refer to:
 * Cardiocondyla carbonaria, an ant species in the genus Cardiocondyla
 * Cercomacra carbonaria, the Rio Branco antbird, a bird species found in Brazil and Guyana
 * Cheilosia carbonaria, a hoverfly species found in Europe
 * Crassispira carbonaria, a sea snail species