Foraminifera taxon details

Biseriamminidae Chernysheva, 1941 †

720908  (urn:lsid:marinespecies.org:taxname:720908)

accepted
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marine, fresh, terrestrial
fossil only
Chernysheva, N. E. (1941). Новый род фораминифер из турнейских отложений Урала - A new genus of foraminifera from Tournaisian deposits of the Urals. <em>ДАН СССР - Reports of the Academy of Sciences USSR.</em> 32(1): 69-70.
page(s): p. 70 [details]  Available for editors  PDF available [request] 
Description Test biserially coiled. Initially streptospiral followed by a whorl expanding rapidly. Because of the coiling the shape of...  
Description Test biserially coiled. Initially streptospiral followed by a whorl expanding rapidly. Because of the coiling the shape of the chambers is very variable in sections. Sutures indistinct. No supplementary deposits. Aperture terminal cribrate. Wall differentiated with a tectum and an inner coarse layer with calcareous agglutinate.
Occurrence. Tournaisian–Visean; very poorly known but eventually cosmopolitan.
(Vachard and Le Coze (2022)).  [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Biseriamminidae Chernysheva, 1941 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=720908 on 2024-05-13
Date
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2013-03-07 12:41:16Z
created
2018-01-25 10:18:05Z
changed

original description Chernysheva, N. E. (1941). Новый род фораминифер из турнейских отложений Урала - A new genus of foraminifera from Tournaisian deposits of the Urals. <em>ДАН СССР - Reports of the Academy of Sciences USSR.</em> 32(1): 69-70.
page(s): p. 70 [details]  Available for editors  PDF available [request] 

basis of record Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details]  Available for editors  PDF available [request] 
From editor or global species database
Description Test biserially coiled. Initially streptospiral followed by a whorl expanding rapidly. Because of the coiling the shape of the chambers is very variable in sections. Sutures indistinct. No supplementary deposits. Aperture terminal cribrate. Wall differentiated with a tectum and an inner coarse layer with calcareous agglutinate.
Occurrence. Tournaisian–Visean; very poorly known but eventually cosmopolitan.
(Vachard and Le Coze (2022)).  [details]

Diagnosis Test biserial, with planispirally enrolled plane of biseriality or may uncoil in later stage; wall calcareous, microgranular, may have more than one layer; aperture at inner border of apertural face. L. Carboniferous (Tournaisian) to U. Permian (Djulfian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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