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Biloculina comata.
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This foram is extremely common in the Ross Sea (Antarctica). The "porcelaneous" structure typical of miliolid tests (rotalids have glassy "hyaline" tests) is very conspicuous here. Image courtesy of Samuel S. Bowser, Wadsworth Center.
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Pyrgo williamsonifound on the shelf of Greenland at 192m depthrecentSend me your sand or rock ! I extract the foraminifera and shoot the images for free. Info at
www.foraminifera.eu
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Pyrgo comata sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 3
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Pyrgo denticulata sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 3
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Image source: Cushman, J.A. 1917. A Monograph of the Foraminifera of the North Pacific Ocean. Part VI. Miliolidae. Bull. U.S. Nation. Mus 71: vii+108 pp.+39 pls.
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This species is named for the prominent "lips" (L. labrum) surrounding the aperture. Specimen collected from waters near Iceland. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Pyrgo williamsonifound on the shore of SpitsbergenrecentSend me your sand or rock ! I extract the foraminifera and shoot the images for free. Info at
www.foraminifera.eu
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Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. Bull. U.S. Natl. Mus. 104.
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Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. Bull. U.S. Natl. Mus. 104.
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Specimen collected from waters near Iceland. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Pyrgo depressa sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884)
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Image source: Cushman, J.A. 1932. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part I. Astrorhizidae to Trochamminidae. Bull. U.S. Nation. Mus 161: vi+88 pp.+17 pls.
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Specimen collected from waters near Iceland. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. Bull. U.S. Natl. Mus. 104.
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Pyrgo sarsi sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884)
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This aperture conformation is typical of members of the genus. Specimen collected from waters near Iceland. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Pyrgo serrata sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 3
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The biserial arrangement of the test (the youngest chamber is on top) is very evident here. Specimen collected from waters near Iceland. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Pyrgo elongata sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884)
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Specimen collected from waters near Iceland. This species prefers warmer water (6-7 degrees C) than other members of its genus. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image first appeared in J. Foram Res. 28:240-256 and is used with permission.
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Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. Bull. U.S. Natl. Mus. 104.
