Dactylosaccus Rhumbler 1894

Dactylosaccus, en ocasiones erróneamente denominado Ardactylosaccum, es un género de foraminífero bentónico de la subfamilia Argillotubinae, de la familia Allogromiidae, del suborden Allogromiina​ y del orden Allogromiida.​ Su especie tipo es Dactylosaccus vermiformis. Su rango cronoestratigráfico abarca el Holoceno.

Elongate, thick tubular sausage-like to convoluted undivided chamber, up to 4 mm in length, somewhat enlarged toward apertural end; free-living or inhabiting empty foraminiferal tests; wall hyaline, proteinaceous; lobose protrusions from aperture give rise to pseudopodia; cytoplasm vacuolate, one or two globular nuclei. Marine, at 40 m to 250 m; Holocene; N. Atlantic; North Sea. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)