Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate, conical-flask shaped holococcolith with lid and internal partition.
Daughter taxa (time control age-window is: 0-800Ma) | ||||
Metadoga ampulla Small (holotype 4.4 µm) species with flask-like outline and lacking internal partition | ||||
Metadoga mercurius Cavate, conical-flask shaped holococcolith with lid and internal partition. | ||||
Metadoga sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Metadoga *
Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate, conical-flask shaped holococcolith with lid and internal partition.
Search data:
LITHS: holococcolith, circular, hollow, |
Lith size: 4->7µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of Campanian Stage (100% up, 72.2Ma, in Campanian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Late Valanginian Substage (132.60-135.70Ma, base in Valanginian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Lower Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 86-131. gs O Wind, F. H. & Cepek, P. (1979). Lower Cretaceous calcareous nannoplankton from DSDP Hole 397A (northwest African Margin). Initial Reports of the Deep Sea Drilling Project. 47A: 221-235. gs References:
Metadoga compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 7-11-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10651 Go to Archive.is to create a permanent copy of this page - citation notes |
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