This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Linked specimens: USNM-4545 USNM-4544 USNM-4544 USNM-4544 USNM-4544 USNM-4544 USNM-4543
Current identification/main database link: Globigerinelloides barri (Bolli, Loeblich and Tappan, 1957)
Remarks: Biglobigerinella barri, new species, differs from B. multispina Lalicker in being larger and more compressed and in having 8 to 10 chambers per whorl instead of only 5 to 6. The chambers are also more nearly globular in B. multispina. The shape and number of the chambers is also similar to Globigerinelloides algeriana Cushman and ten Dam, from which the present species differs only in developing a double aperture and finally the double-chambered end stage. This species strongly suggests that Biglobigerinella may have arisen from the Aptian genus Globigerinelloides.
Original Description
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Etymology:
Extra details from original publication
Bolli, H. M., Loeblich, A. R. & Tappan, H. (1957). Bolli, H. M., Loeblich, A. R. & Tappan, H. (1957). Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae and Globotruncanidae. In, Loeblich, A. R. , Jr. , Tappan, H. , Beckmann, J. P. , Bolli, H. M. , Montanaro Gallitelli, E. & Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin. 215: 3-50. In, Loeblich, A. R. , Jr., Tappan, H., Beckmann, J. P., Bolli, H. M., Montanaro Gallitelli, E. & Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin . 215: 3-50. gs References:
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Biglobigerinella barri compiled by the pforams@mikrotax project team viewed: 16-5-2025
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