| Daughter taxa: (blue => in age window 0-800Ma) | ||||
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| Specimens which cannot be assigned to established species | ||||
Taxonomy
Original description: Lunatriella Eicher and Worstell 1970:
Entries in the Catalog of original descriptions: Lunatriella;
Distinguishing features: Test elongate, early chambers subglobular, inflated, and biserially arranged, later chambers more elongate and cuneate to nearly uniserial and rectilinear, the final one or more chambers commonly with an elongate tubulospinelike lateral projection, sutures depressed; wall calcareous, of optically radial calcite, finely perforate; aperture a high interiomarginal arch with narrow bordering lip in the early biserial chambers, in later uniserial chambers the aperture is terminal and the bordering lips merge to form a trough with lateral buttresses that connects directly to the preceding chamber.
Geological Range:
Last occurrence (top): within Turonian Stage (89.77-93.90Ma, top in Turonian stage). Data source: Total of range of species in this database
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Dec 2017 - Plotting of Neptune data has been re-enabled on the Mesozoic pages following revision of the age-models in Neptune. The data is, however, still very sparse for the Early Cretaceous
Loeblich, A.R. & Tappan, H. (Editors), (1988). Foraminiferal Genera and Their Classification (Volume I-II). Van Nostrand Reinhold Co., New York, 1059 pp. GSReferences:
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Lunatriella compiled by the pforams@mikrotax project team viewed: 23-2-2019
Short stable page link: http://mikrotax.org/pforams/index.php?id=110325 Go to Archive.is to create a permanent copy of this page - citation notes |