|Daughter taxa: (blue => in age window 0-800Ma)|
Original description: Sigalia Reiss 1957:
Entries in the Catalog of original descriptions: Sigalia;
Distinguishing features: Test subtriangular in outline, compressed, biserial throughout, sutures moderately inflated but not globular, terminal face appearing truncate because of the elevated and beaded sutures; wall calcareous, surface with low and discontinuous ribs and distinctly perforate between the raised and strongly beaded sutures; aperture an arch at the base of the final chamber.
Last occurrence (top): within Santonian Stage (83.64-86.26Ma, top in Santonian stage). Data source: Total of range of species in this database
First occurrence (base): within Turonian Stage (89.77-93.90Ma, base in Turonian 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., (1988). Foraminiferal Genera and Their Classification (Volume I-II)Van Nostrand Reinhold Co., New York, 1059 pp.
Sigalia compiled by the pforams@mikrotax project team viewed: 23-1-2019
Short stable page link: http://mikrotax.org/pforams/index.php?id=110529 Go to Archive.is to create a permanent copy of this page - citation notes