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Current identification:
Original Description
Description: Test is biserial throughout, composed of 13 to 14 chambers that are alternately added with respect to the test growth axis and increase gradually in size. Earlier chambers are subglobular, then subrectangular and the last ones reniform; chambers are tilted with respect to the test growth axis. The last one or two chambers have incipiently developed backward extension, which is attached to the previous chamber in the row. Sutures are distinct and depressed, oblique to the test growth axis; the sutures between the early–formed chambers are straight, whereas those between the last–formed chambers are curved due to the development of the chamber backward extension. Periphery is rounded and without peripheral structures. Aperture is a low to, rarely, medium high arch at the base of the last formed chamber. It is bordered by two symmetrically developed orthoflanges and there is no periapertural pustulose area. Chambers are ornamented with discontinuous solid leptocostae (2.6–4.1μm in thickness). Test wall is calcitic, hyaline and perforate (pore diameter 0.6–1.0μm).
Size:
Extra details from original publication
Stratigraphic range: Uppermost Turonian–Coniacian (lower part of D. concavata Biozone).
Geographic distribution: Yucatan outer shelf (Caribbean region).
Georgescu, M. D., Quinney, A. E. & Anderson, K. D. (2011). New data on the taxonomy, evolution and biostratigraphical significance of the Turonian–Coniacian (Late Cretaceous) planktic foraminifer Huberella Georgescu 2007. Micropaleontology. 57: 247-254. gsReferences:
Huberella yucatanensis compiled by the pforams@mikrotax project team viewed: 16-9-2024
Short stable page link: https://mikrotax.org/pforams/index.php?id=131811 Go to Archive.is to create a permanent copy of this page - citation notes |
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