Cryptocerus marginatus

This taxon is not in use as it is currently considered to be a junior synonym of Cephalotes atratus.

Nomenclature

 * marginatus. Cryptocerus marginatus Fabricius, 1804: 419 (q.) GUYANA. De Andrade & Baroni Urbani, 1999: 124 (m.).
 * Combination in Cephalotes: De Andrade & Baroni Urbani, 1999: 124.
 * Junior synonym of atratus: Klug, 1824: 200; Roger, 1862c: 291.
 * Revived from synonymy and senior synonym of decemspinosus (and its junior synonym spissus): De Andrade & Baroni Urbani, 1999: 124.
 * Junior synonym of atratus: Oliveira et al., 2021: 19.