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The Planorbulinacea are a superfamily of rotalliid foraminifera that has been extant since the Early Cretaceous (Berriasian), characterized by trochospiral tests, at least in early stage but which later may become uncoiled. The test wall is of perforate hyaline calcite, commonly optically radial in structure, with crystallographic c-axes perpendicular to the surface. The apertural face may be imperforate; the aperture interiomarginal and extraumbilical-umbilical to nearly equatorial in coiled forms, subterminal in uncoiled forms.

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dbo:abstract
  • Planorbulinoidea, tradicionalmente denominada Planorbulinacea, es una superfamilia de foraminíferos del suborden Rotaliina​ y del orden Rotaliida.​ Su rango cronoestratigráfico abarca desde el Berriasiense (Cretácico inferior) hasta la Actualidad. (es)
  • The Planorbulinacea are a superfamily of rotalliid foraminifera that has been extant since the Early Cretaceous (Berriasian), characterized by trochospiral tests, at least in early stage but which later may become uncoiled. The test wall is of perforate hyaline calcite, commonly optically radial in structure, with crystallographic c-axes perpendicular to the surface. The apertural face may be imperforate; the aperture interiomarginal and extraumbilical-umbilical to nearly equatorial in coiled forms, subterminal in uncoiled forms. The Planorbulinacea unite six families which are distinguished primarily by their morphological differences. (en)
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  • 2364 (xsd:nonNegativeInteger)
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  • 1033525826 (xsd:integer)
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dbp:fossilRange
  • Early Cretaceous - recent (en)
dbp:name
  • Planorbulinacea (en)
dbp:ordo
dbp:phylum
dbp:subdivision
  • dbr:Bisacciidae
  • Cibicididae (en)
  • Cymbaloporidae (en)
  • Planorbulinidae (en)
  • Planulinidae (en)
  • Victoriellidae (en)
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  • Families (en)
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dbp:superfamilia
  • Planorbulinacea (en)
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  • Schwager, 1877 (en)
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  • Planorbulinoidea, tradicionalmente denominada Planorbulinacea, es una superfamilia de foraminíferos del suborden Rotaliina​ y del orden Rotaliida.​ Su rango cronoestratigráfico abarca desde el Berriasiense (Cretácico inferior) hasta la Actualidad. (es)
  • The Planorbulinacea are a superfamily of rotalliid foraminifera that has been extant since the Early Cretaceous (Berriasian), characterized by trochospiral tests, at least in early stage but which later may become uncoiled. The test wall is of perforate hyaline calcite, commonly optically radial in structure, with crystallographic c-axes perpendicular to the surface. The apertural face may be imperforate; the aperture interiomarginal and extraumbilical-umbilical to nearly equatorial in coiled forms, subterminal in uncoiled forms. (en)
rdfs:label
  • Planorbulinoidea (es)
  • Planorbulinacea (en)
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  • Planorbulinacea (en)
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