Hirsutospirellidae

Hirsutospirellidae Temporal range: Late Triassic (Norian)
Scientific classification
Domain:	Eukaryota
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Spirillinata
Order:	Involutinida
Family:	Hirsutospirellidae Zaninetti,et al 1985

The Hirsutospirellidae, established for the Upper Triassic genus Hirsutospirella, are a family of Foraminifera within the Involutinida that produced calcareous tests with a proloculus followed by an undivided trochospirally enrolled tubular second chamber, in which the spiral side has prominent spinelike protrusions and umbilical side has a shallow umbilical filling.