Tretomphaloides Banner, Pereira & Desai 1985

Tretomphaloides es un género de foraminífero bentónico de la familia Rosalinidae, de la superfamilia Discorboidea, del suborden Rotaliina​ y del orden Rotaliida.​ Su especie tipo es Discorbina concinna. Su rango cronoestratigráfico abarca el Holoceno.

Test with early stage as in Neoconorbina, but planktonic gamont generation provided with a globular float chamber over the partially resorbed ventral walls of the spiral stage, balloon chamber with perforate wall and with multiple rimmed apertures in the polar region, imperforate walled inner float chamber fused to the remaining rims of the enrolled chambers and traversed by a broad central tube that extends from the umbilicus of the trochospiral test to the cribrate aperture of the balloon chamber. Holocene; Indian Ocean; Pacific Ocean. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)