Hirsutospirellidae
| Hirsutospirellidae Temporal range: Late Triassic (Norian) | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| (unranked): | SAR |
| (unranked): | |
| Phylum: | |
| Subphylum: | |
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| 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]
References
- ↑ Hirsutospirellidae Loeblich & Tappan, 1988 in GSI e-book
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