Kamptnerius

Distinguishing features:
Parent taxon (Kamptneriaceae): Arkhangelskielids with shields predominantly formed of V-units, thus dark in cross-polarised light; R-units form bright band at core of shield.
This taxon: Tiered placoliths with broad rim that has an asymmetric flange forming a wing and narrow central area spanned by a perforate plate. Typical kamptneriacean LM image with a narrow, dark outer-cycle; a diagnostic, bright median-cycle; a dark, inner-cycle; and a dark central area plate.

Daughter taxa (time control age-window is: 0-800Ma)
				Kamptnerius magnificus Tiered placoliths with broad rim that has an asymmetric flange forming a wing and narrow central area spanned by a perforate plate. Typical kamptneriacean LM image with a narrow, dark outer-cycle; a diagnostic, bright median-cycle; a dark, inner-cycle; and a dark central area plate.
				Kamptnerius sp. Specimens not identified to species level

Taxonomy:

Farinacci & Howe catalog pages: Kamptnerius *

Distinguishing features:
Parent taxon (Kamptneriaceae): Arkhangelskielids with shields predominantly formed of V-units, thus dark in cross-polarised light; R-units form bright band at core of shield.
This taxon: Tiered placoliths with broad rim that has an asymmetric flange forming a wing and narrow central area spanned by a perforate plate. Typical kamptneriacean LM image with a narrow, dark outer-cycle; a diagnostic, bright median-cycle; a dark, inner-cycle; and a dark central area plate.

Geological Range:
Last occurrence (top): at top of Late Maastrichtian Substage (100% up, 66Ma, in Danian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within UC1c subzone (98.26-99.94Ma, base in Cenomanian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested
• Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Kamptneriaceae

Kamptnerius compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-9-2024 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10539 Go to Archive.is to create a permanent copy of this page - citation notes

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