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Description of Nonionidae

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Rotaliine foraminifera, test planispiral, involute to evolute, biumbilicate, umbilici filled with pustules, aperture a low equatorial slit at the base of the apertural face, extending laterally nearly to the umbilici.
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Nonionidae

provided by wikipedia EN

The Nonionidae is a foraminifera family within the order Rotaliida and part of the Nonionacea, shells, or tests, of which are planispiral or trochospiral, calcareous and finely perforate. Includes the Nonioninae, Pulleniinae, Spirotectinae, and Astrononioninae.

References

  • Loeblich, Alfred R.; Tappan, Helen (1964). Moore, R.C., ed. Protista 2: Sarcodina Chiefly "Thecamoebians" and Foraminiferida. Treatise on Invertebrate Paleontology. C (5th ed.). Geological Society of America. ISBN 978-0-8137-3003-5..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  • A. Loeblich & H. Tappan,1988. Forminiferal Genera and their Classification. e-book [1]


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Nonionidae: Brief Summary

provided by wikipedia EN

The Nonionidae is a foraminifera family within the order Rotaliida and part of the Nonionacea, shells, or tests, of which are planispiral or trochospiral, calcareous and finely perforate. Includes the Nonioninae, Pulleniinae, Spirotectinae, and Astrononioninae.

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