Biseriamminoidea Chernysheva, 1941
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publication ID |
https://doi.org/ 10.4202/app.00511.2018 |
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persistent identifier |
https://treatment.plazi.org/id/3905584B-FF91-BA6E-FFD5-FE42FE50528D |
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treatment provided by |
Felipe |
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scientific name |
Biseriamminoidea Chernysheva, 1941 |
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Superfamily Biseriamminoidea Chernysheva, 1941
Families included: Biseriamminidae Chernysheva, 1941 ; Globivalvulinidae Reitlinger, 1950 .
Description.—Test biserial, globular, subglobular or elongated in shape, evolute/semi-evolute or involute/semi-involute, rounded or pinched peripheral outline, from coiled, coiled to uncoiled, to uncoiled. Endoskeletal partitions and supplementary deposits can be present. Test wall microgranular, with agglutinated grains, undifferentiated or poorly layered or microgranular, single layered or plurilayered. Presence of hyaline layer in inner, median or outer position or pseudoalveolar median layer. Perforations of the wall can be present. Aperture narrow, simple or with valvular projection.
Stratigraphic and geographic range.—Late Tournaisian Mississippian, Carboniferous) to latest Changhsingian Lopingian, Permian); cosmopolite.
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