Nannotax3 - ntax_mesozoic - Gartnerago costatum subsp. costatum Nannotax3 - ntax_mesozoic - Gartnerago costatum subsp. costatum

Gartnerago costatum subsp. costatum


Classification: ntax_mesozoic -> Arkhangelskiales -> Kamptneriaceae -> Gartnerago -> Gartnerago costatum -> Gartnerago costatum subsp. costatum
Sister taxa: G. costatum subsp. costatum, G. costatum subsp. porolatum

Distinguishing features:
Parent taxon (Gartnerago costatum): Similar to G. obliquum but pores larger and with cross-bars within them
This taxon: perforations with 1 cross-bar


Taxonomy:

Citation: Gartnerago costatum subsp. costatum Gartner 1968
taxonomic rank: sub-species
Basionym: Arkhangelskiella costata Gartner, 1968

Farinacci & Howe catalog pages: A. costata *

Distinguishing features:
Parent taxon (Gartnerago costatum): Similar to G. obliquum but pores larger and with cross-bars within them
This taxon: perforations with 1 cross-bar

Search data:
LITHS: placolith, elliptical, CA: plate, pores, closed, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
Lith size: 7->12µm;
Data source notes: illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Campanian Stage (72.17-83.65Ma, top in Campanian stage). Data source: assumed same as species
First occurrence (base): within Santonian Stage (83.65-85.70Ma, base in Santonian stage). Data source: assumed same as species

Plot of occurrence data:

References:

Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles. 51 (Protista 2): 1-79. gs O

Salomon, R. (1999). The Calcite Palace. Website - https://ina.tmsoc.org/galleries/CalcitePalace/index.htm. -. gs


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Gartnerago costatum subsp. costatum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-2-2024

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10460 Go to Archive.is to create a permanent copy of this page - citation notes
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