About: Cruciloculina

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Cruciloculina is a genus of foraminifers included in the Miliolidae from the Neogene, closely resembling Triloculina The test is free, chambers one-half coil in length, added in planes 120 deg. apart, as in Triloculina. Tests are rounded to triangular in section; sutures depressed. As with other miliolid, the wall of the test is composed in imperforate, porcelaneous calcite. The aperture is terminal, at the end of the final chamber, but instead of having a distinct tooth, as in Triloculina, Cruciloculina develops as tri-radiate aperture in the young that becomes cruciform (X-shaped) to dendritic in the adult.Derivation from Triloculina is apparent.

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  • Cruciloculina is a genus of foraminifers included in the Miliolidae from the Neogene, closely resembling Triloculina The test is free, chambers one-half coil in length, added in planes 120 deg. apart, as in Triloculina. Tests are rounded to triangular in section; sutures depressed. As with other miliolid, the wall of the test is composed in imperforate, porcelaneous calcite. The aperture is terminal, at the end of the final chamber, but instead of having a distinct tooth, as in Triloculina, Cruciloculina develops as tri-radiate aperture in the young that becomes cruciform (X-shaped) to dendritic in the adult.Derivation from Triloculina is apparent. Cruciloculina is known from the North Atlantic and South Atlantic Oceans and from Japan. Recent species have been found, for example, near the Falkland and South Georgia Islands. (en)
  • Cruciloculina es un género de foraminífero bentónico de la subfamilia Miliolinellinae, de la familia Hauerinidae, de la superfamilia Milioloidea, del suborden Miliolina​ y del orden Miliolida.​ Su especie tipo es . Su rango cronoestratigráfico abarca desde el Plioceno hasta la Actualidad. (es)
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  • Pliocene - Recent (en)
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  • Cruciloculina (en)
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  • d'Orbigny in De La Sagra, 1839 (en)
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  • Cruciloculina (en)
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  • Cruciloculina es un género de foraminífero bentónico de la subfamilia Miliolinellinae, de la familia Hauerinidae, de la superfamilia Milioloidea, del suborden Miliolina​ y del orden Miliolida.​ Su especie tipo es . Su rango cronoestratigráfico abarca desde el Plioceno hasta la Actualidad. (es)
  • Cruciloculina is a genus of foraminifers included in the Miliolidae from the Neogene, closely resembling Triloculina The test is free, chambers one-half coil in length, added in planes 120 deg. apart, as in Triloculina. Tests are rounded to triangular in section; sutures depressed. As with other miliolid, the wall of the test is composed in imperforate, porcelaneous calcite. The aperture is terminal, at the end of the final chamber, but instead of having a distinct tooth, as in Triloculina, Cruciloculina develops as tri-radiate aperture in the young that becomes cruciform (X-shaped) to dendritic in the adult.Derivation from Triloculina is apparent. (en)
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  • Cruciloculina (en)
  • Cruciloculina (es)
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  • Cruciloculina (en)
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