Ammodiscacea

Ammodiscacea Temporal range: Early Cambrian - Recent
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Rhizaria
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Globothalamea
Order:	Textulariida
Superfamily:	Ammodiscacea Reuss, 1867
Family:	Ammodiscidae Reuss, 1867
Subfamilies
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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:

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