Biology:Geinitzinidae
From HandWiki
Short description: Family of single-celled organisms
| Geinitzinidae Temporal range: Late Devonian - Late Permian
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| Domain: | Eukaryota
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| Family: | Geinitzinidae Bozorgnia 1973
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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.
References
- Alfred R. Loeblich Jr and Helen Tappan,1988. Forminiferal Genera and their Classification. E-book
- Geinitzinidae Paleobiology Database, 9 Mar 2013
Wikidata ☰ Q12175444 entry
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