Ammodiscacea

The Ammodiscacea 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.

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


 * Ammodiscinae
 * Ammovertellininae
 * Ammovolummininae
 * Tolypammininae
 * Usbekistaniinae