TOURNAYELLIDAE Dain, 1953
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publication ID |
https://doi.org/10.35463/j.apr.2024.02.07 |
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persistent identifier |
https://treatment.plazi.org/id/039C630F-1171-FFC3-FF49-0790FE21F6D8 |
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treatment provided by |
Felipe |
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scientific name |
TOURNAYELLIDAE Dain, 1953 |
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Family TOURNAYELLIDAE Dain, 1953 View in CoL
Test planispirally coiled evolute; rarely uncoiled and uniseriate ( Rectoseptatournayella , Forschiella ). Septa almost inconspicuous ( Eotournayella ) to well developed ( Septatournayella , Septaforschia ). Supplementary deposits absent or present as nodes, crusts, and spines. Wall dark microgranular ( Tournayella ) to granular with a calcareous agglutinate ( Forschia ). Aperture terminal simple or rarely cribrate ( Forschia , Forschiella ). Frasnian–late Serpukhovian.
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