Formica quadridens De Geer, 1773 an obsolete combination of Cephalotes atratus quadridens (De Geer, 1773)
Formica quadridens De Geer, 1773: 609, pl. 31, figs. 17-20 (w.) SURINAME. Neotropic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Suriname: (no further data) (Rolander). Primary type depository: MNHN.
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