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Current identification:
Original Description
Description. - A small free test. composed of about twelve globular chambers arranged in about two and half whorls; trochospiral with a very low spire and appearing almost planispiral in peripheral view. Chambers increase in size slowly at first, later rapidly. Sutures are unthickened, deeply depressed. There is no development of sutural flanges. Wall of test is thin, translucent, smooth but not polished ; pores are small and closely spaced. Aperture is small and almost invisible, opening into a deep, narrow umbilicus.
Size:
Carter, A. N. (1963). Appendix no. 3, foraminifera from the Portland Limestone. In, Boutakoff, N. (ed.) The geology and geomorphology of the Portland area. Memoirs of the Geological Survey of Victoria . 22: 156-160. gsReferences:

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Sphaeroidinella transiens compiled by the pforams@mikrotax project team viewed: 8-2-2026
Short stable page link: https://mikrotax.org/pforams/index.php?id=132269 Go to Archive.is to create a permanent copy of this page - citation notes |
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