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Planorbulinoides Cushman 1928

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Planorbulinoides ( Spanish; Castilian )

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Planorbulinoides es un género de foraminífero bentónico de la subfamilia Annulocibicidinae, de la familia Cibicididae, de la superfamilia Planorbulinoidea, del suborden Rotaliina[1]​ y del orden Rotaliida.[2]​ Su especie tipo es Planorbulina retinaculata. Su rango cronoestratigráfico abarca el Holoceno.

Clasificación

Planorbulinoides incluye a la siguiente especie:[3]​[4]​[5]​

Otras especies consideradas en Planorbulinoides son:

Bibliografía

  1. ↑ Loeblich, A.R., Jr. y Tappan, H. (1987). Foraminiferal genera and their classification. Van Nostrand Reinhold Company (ed.), 2 vol., 1-970, 1-212 + 847 láminas.
  2. ↑ Loeblich, A.R., Jr. y Tappan, H. (1992). Present Status of Foraminiferal Classification. Studies in Benthic Foraminifera en Benthos'90, Sendai (1990), Tokai University Press, 93-102.
  3. ↑ Encyclopedia of the Life, en http://eol.org/
  4. ↑ World Modern Foraminifera Database, en http://www.marinespecies.org/foraminifera/index.php
  5. ↑ Classifications Browser en http://www.ubio.org/browser/classifications.php?conceptID=13894357&expand=1&namebankID= Página 1 de 134
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Planorbulinoides: Brief Summary ( Spanish; Castilian )

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Planorbulinoides es un género de foraminífero bentónico de la subfamilia Annulocibicidinae, de la familia Cibicididae, de la superfamilia Planorbulinoidea, del suborden Rotaliina​ y del orden Rotaliida.​ Su especie tipo es Planorbulina retinaculata. Su rango cronoestratigráfico abarca el Holoceno.

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Diagnosis

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Test attached, chambers globular in the early trochospiral stage, later chambers more irregular, spreading, and loosely appressed, leaving gaps between adjacent whorls in an open mesh, sutures depressed, periphery irregularly lobulate; wall calcareous, coarsely perforate; aperture multiple, small openings on short necks that arise at the chamber margin against the attachment. Holocene; East Indies; West Indies. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)

Reference

Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.

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