Fordham 1986 pl10-fig17.JPG
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Fordham 1986 pl10-fig17.JPGCurrent identification/main database link:
Original Description
Very large, robust; very high sinistral trochospire, loose parallel to axis but very tight perpendicular to axis. Equatorial outline very weakly lobate; lateral outline highly spiroconvex. Chambers ovate parallel to axis, barely appressed, at least 14 in total, 3.75 in final, 3.5 in second-last, in third-last whorls; increase moderate. Dorsal view: chambers much longer concentrically, weakly inflated; sutures deeply but narrowly incised; intercameral sutures radial where present; supplementary apertures on proximal spiral sutures, later ones higher. Ventral view: chambers highly inflated; intercameral sutures radial, meeting at closed umbilicus which is partially covered by final chamber; aperture umbilical, low. Lateral view: smoothly rounded. Wall densely perforate with well-developed interpore ridges.
Size: Length, 735 µm; width 670 µm; height, 755 µm.
Etymology: Latin, altus, high; helix, icis (f.), whorl, spiral.
Extra details from original publication
Description based on: Two specimens.
Holotype fig.: Fordham 1986 Pl. 10, fig. 17.
Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gsReferences:
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Globigerinoides conglobatus altihelix compiled by the pforams@mikrotax project team viewed: 17-1-2021
Short stable page link: http://mikrotax.org/pforams/index.php?id=130828 Go to Archive.is to create a permanent copy of this page - citation notes |