Geinitzinidae
| Geinitzinidae Temporal range: Late Devonian - Late Permian |
|
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| (unranked): | SAR |
| (unranked): | Rhizaria |
| Phylum: | Retaria |
| Class: | Foraminifera |
| Order: | Fusulinida |
| Superfamily: | Geinitzinacea |
| Family: |
Geinitzinidae Bozorgnia 1973 |
| Genera | |
The Geinitzinidae is an extinct family of Foraminifera from the late Paleozoic (U Dev. - U Perm) included in the Fusulinida that comprises genera characterized by unserial tests (chambers arranged in a single row, or line, in which walls are double layered. The outer layer is of light colored hyaline (glassy) radial calcite. The inner layer is a dark, secreted, microgranular calcite.
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