Entity:

Types

Nominotypical taxon [ICZN]	:	*Diastomatinae* (Subfamily) Cossmann, 1894		Ref: V.G. Millard, 1997: 80. [inferred]
Type	:	*Diastoma* (Genus) Deshayes, 1850		Ref: P. Bouchet & J.-P. Rocroi, 2005: 65. [new]

Variants

Different spelling

Diastomidae (Family)

Ref: K.J. Boss, 1982: 994.

Synonymous name	:	†*Ewekoroiidae* (Family) Adegoke, 1977	Ref: P. Bouchet & J.-P. Rocroi, 2005: 248.
Questionably Including	:	*Fenellidae* (Family)	Ref: K.J. Boss, 1982: 994.
Questionably Including	:	*Finellidae* (Family) Thiele, 1929	Ref: K.J. Boss, 1982: 994.