Английская Википедия:Geinitzinidae
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Шаблон:Use dmy dates Шаблон:Short description Шаблон:Automatic taxobox
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. Шаблон:Cite web
- Geinitzinidae Paleobiology Database, 9 March 2013