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Globorotalia (globe-owe-rot-al-ee-a) menardii, one of the foraminifera which occupy a multi-chambered test. The cytoplasm has an orange colour. This is a non-spinose planktonic organism. Dark ground image by Dave Caron
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The test of this foram shows the scar left by an attack from a predator, possibly a member of the foram genus Floresina. Photo courtesy of Kurt S.S. Nielsen. Image first appeared in J. Foram Res. 31:93-95, and is used with permission.
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Closeup of a predation scar. The large holes, left by the predator, are infilled with clayey sediment. The scar is about 150 um across. Photo courtesy of Kurt S.S. Nielsen. Image first appeared in J. Foram Res. 31:93-95, and is used with permission.
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Globorotalia hirsuta sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 103
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Image source: Cushman, J.A. 1931. The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Bull. U.S. Natl. Mus. 104.
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New Zealand
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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Stainforth, R.M.; Lamb, J.L.; Jeffords, R. (1978). Rotalia menardii Parker, Jones & Brady, 1865 (Foraminiferida): proposed suppression of lectotype and designation of neotype Z.N.(S.) 2145. The Bulletin of zoological nomenclature. vol. 34, part 4., available online at (http://www.biodiversitylibrary.org/item/44476#page/302/) page(s): pp. 252-262 pl. 1-2; note: Designation of neotype
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Stainforth, R.M.; Lamb, J.L.; Jeffords, R. (1978). Rotalia menardii Parker, Jones & Brady, 1865 (Foraminiferida): proposed suppression of lectotype and designation of neotype Z.N.(S.) 2145. The Bulletin of zoological nomenclature. vol. 34, part 4., available online at (http://www.biodiversitylibrary.org/item/44476#page/302/) page(s): pp. 252-262 pl. 1-2; note: Designation of neotype
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Globorotalia menardii sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 103
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Image source: Cushman, J.A. 1931. The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Bull. U.S. Natl. Mus. 104.
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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Globorotalia scitula sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 103
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Image source: Cushman, J.A. 1931. The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Bull. U.S. Natl. Mus. 104.
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New Zealand
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Globorotalia truncatulinoides sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 104
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Image source: Cushman, J.A. 1931. The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Bull. U.S. Natl. Mus. 104.
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New Zealand
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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Globorotalia tumida sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 103
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Image source: Cushman, J.A. 1931. The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Bull. U.S. Natl. Mus. 104.
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New Zealand
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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New Zealand