Euloxostomum McCulloch 1977

Euloxostomum, en ocasiones erróneamente denominado Euloxostumum, es un género de foraminífero bentónico de la subfamilia Siphogenerinoidinae, de la familia Siphogenerinoididae, de la superfamilia Buliminoidea, del suborden Buliminina y del orden Buliminida.​​ Su especie tipo es Loxostoma instabile. Su rango cronoestratigráfico abarca desde el Plioceno hasta la Actualidad.

Test elongate, narrow, compressed, chambers broad, low, and enlarging rapidly, early stage biserial, later chambers much higher, then cuneate and finally uniserial and appearing rhomboid, chambers produced laterally near their base into a short spine, sutures depressed; wall calcareous, distinctly perforate, thin, translucent, surface smooth, laterally carinate; aperture an elongate terminal slit in the adult, with distinct bordering lip and a prominent internal siphonlike toothplate visible through the hyaline wall. Pliocene to Holocene; Pacific, off Mexico; off California; Japan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)