Tapinoma gibbosum is a species of ant in the genus Tapinoma. Described by Stitz in 1933, the species is endemic to Brazil.Stitz, H. 1933. Neue Ameisen des Hamburger Museums (Hym. Form.). Mitt. Dtsch. Entomol. Ges. 4: 67-75 (page 70, fig. 2 worker described)

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