plebeian. If Postumus or Postumius Cominius Auruncus, consul in B. C. 501, belonged to this gens, it must have been patrician originally; but it is probable that he was a member of the Postumia gens, as Valerius Maximus (de Nom. Rat.
) mentions him as an instance in which the praenomens and cognomens are confounded in the consular Fasti. Cominius also occurs as a cognomen of the Pontii. (See below.) None of the members of the Cominia gens obtained any of the higher offices of the state. [COMINIUS.]