Distinguishing features:
Parent taxon (globular inc sedis):
This taxon: Murolith coccoliths with large bulbous/spherical, hollow spines or processes.
Daughter taxa (time control age-window is: 0-800Ma) | ||||
Laguncula dorotheae Small murolith coccoliths with large globular, hollow spines constructed from interlocking rhombiform elements. | ||||
Laguncula montrisouensis Low rimmed coccolith with large, ?flat, flaring distal process with a curved upper surface. | ||||
Laguncula sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Laguncula *
Distinguishing features:
Parent taxon (globular inc sedis):
This taxon: Murolith coccoliths with large bulbous/spherical, hollow spines or processes.
Search data:
LITHS: murolith, circular, hollow, cylindrical, CA: process, |
Lith size: 5->10µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of Cenomanian Stage (100% up, 93.9Ma, in Cenomanian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Late Aptian Substage (113.20-118.70Ma, base in Aptian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Black, M. (1971b). Problematical Microfossils from the Gault Clay. Geological Magazine. 108(4): 325-327. gs References:
Laguncula compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-12-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10550 Go to Archive.is to create a permanent copy of this page - citation notes |
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