Sornayina
Genus of single-celled organisms / From Wikipedia, the free encyclopedia
Sornayina is a genus of benthic forams from the Upper Cretaceous (Coniacian) of France included in the Spirocyclinidae. The test is planispirally to slightly asymmetrically coiled, rarely becoming straighter. Microspheric tests reach as much as 3mm in diameter, megalospheric ones are somewhat smaller. Chambers are numerous and are divided into chamberlets by secondary septa.[1] [2]
Quick Facts Sornayina Temporal range: Coniacian, Scientific classification ...
Sornayina Temporal range: Coniacian | |
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Genus: | Sornayina Marie, 1960 |
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