Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcolith with box-shape, high rim and thin proximal plate, short spine on distal surface
Daughter taxa (time control age-window is: 0-800Ma) | ||||
Thecatus varolii | ||||
Thecatus sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Thecatus *
Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcolith with box-shape, high rim and thin proximal plate, short spine on distal surface
Morphology:
LITHS: holococcolith, elliptical, hollow, quadrate, |
Lith size: 3->5µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of UC6b subzone (100% up, 93.7Ma, in Turonian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within UC6b subzone (93.73-93.90Ma, base in Turonian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Thecatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-12-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11211 Go to Archive.is to create a permanent copy of this page - citation notes |
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