Spirocyclinidae is a family of
foraminifera
Foraminifera ( ; Latin for "hole bearers"; informally called "forams") are unicellular organism, single-celled organisms, members of a phylum or class (biology), class of Rhizarian protists characterized by streaming granular Ectoplasm (cell bio ...
included in the order
Loftusiida
Loftusiida is an order of foraminifers in the class Globothalamea.
Subtaxa
Suborder Ataxophragmiina
* Superfamily Ataxophragmioidea
** Family Ataxophragmiidae
** Family †Cuneolinidae
** Family Dictyopsellidae
** Family Dicyclinidae
** Famil ...
.
Tests are variably discoidal, aggulitinated with calcareous or