Ammodiscoidea

The Ammodiscoidea is a superfamily of foraminifera in the order Textulariida. tests (or shells) are made of agglutinated grains and consist of a proloculus (the initial chamber) followed by an enrolled tubular second chamber open at the distal end, that lacks internal septa but which may have growth constrictions.

Ammodiscoidea Temporal range: Early Cambrian - Recent
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Rhizaria
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Globothalamea
Order:	Textulariida
Superfamily:	Ammodiscoidea Reuss, 1862
Family:	Ammodiscidae Reuss, 1862
Subfamilies
see text

Ammodiscoidea includes a single family, the Ammodiscidae, which contains five subfamilies:

Ammodiscinae

Ammovertellininae

Ammovolummininae

Tolypammininae

Usbekistaniinae