Rectocorona


Classification: Mesozoic -> Stephanolithiales -> Stephanolithiaceae -> Rectocorona
Sister taxa: Corollithion, Cylindralithus, Darwinilithus, Paralithella, Rectocorona, Rhombolithion, Rotelapillus, Stephanolithion, Stoverius, Stradnerlithus, Thurmannolithion, Truncatoscaphus,

Distinguishing features: Elliptical murolith with non-imbricate wall and low spine supported by complex central structure


Daughter taxa: (blue => in age window 0-800Ma)
Low spine just protrudes above rim and has distinctive constriction
Specimens not identified to species level

Taxonomy:

Citation: Rectocorona Lambert, 1987
Rank: Genus
Type species: Rectocorona brachyrhabda Lambert, 1987

Farinacci & Howe catalog pages: Rectocorona *

Distinguishing features: Elliptical murolith with non-imbricate wall and low spine supported by complex central structure

Geological Range:
Last occurrence (top): at top of Albian Stage (100% up, 100.5Ma, in Albian stage). Data source: Total of range of species in this database
First occurrence (base): in lower part of Albian Stage (43% up, 107.6Ma, in Albian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Lambert, B. (1987). Nannofossiles calcaires de l'Albien supérieur et du Vraconnien du Cameroun méridional. Cahiers de Micropaléontologie. 2(2): 33-60. gs


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Rectocorona compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-10-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10986 Go to Archive.is to create a permanent copy of this page - citation notes



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