Hirsutospirellidae

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

The Hirsutospirellidae, established for the Late 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.^[1]