Grantarhabdus meddii


Classification: ntax_mesozoic -> Podorhabdales -> Cretarhabdaceae -> Grantarhabdus -> Grantarhabdus meddii
Sister taxa: G. camaratus, G. coronadventis, G. meddii, G. sp.

Distinguishing features: Medium to large( 7-10 µm) cretarhabdid; central area wide with diagonal cross - crossbars at low angle and meet to form a solid bar for about half their length.


Taxonomy:

Citation: Grantarhabdus meddii Black, 1971
Rank: Species

Farinacci & Howe catalog pages: G. meddii *

Distinguishing features: Medium to large( 7-10 µm) cretarhabdid; central area wide with diagonal cross - crossbars at low angle and meet to form a solid bar for about half their length.

Search data:
TagsLITHS: placolith, elliptical, CA: ca_disjunct, process, diagonal cross, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 7->10µm;
Data source notes: original description & 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 Albian Stage (100.50-112.95Ma, top in Albian stage). Data source: Bown et al. 1998 (p.108)
First occurrence (base): within Late Tithonian Substage (145.01-147.72Ma, base in Tithonian stage). Data source: Bown et al. 1998 (p. 108)

Plot of occurrence data:

References:

Black, M. (1971a). Coccoliths of the Speeton Clay and Sutterby Marl. Proceedings of the Yorkshire Geological Society. 38: 381-424. gs

Bown, P. R. (2005c). Early to Mid-Cretaceous Calcareous Nannoplankton from the Northwest Pacific Ocean, Leg 198, Shatsky Rise. Proceedings of the Ocean Drilling Program, Scientific Results. 198: 1-82. gs V O

Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

Grün, W. & Allemann, F. (1975). The Lower Cretaceous of Caravaca (Spain): Berriasian Calcareous Nannoplankton of the Miravetes Section (Subbetic Zone, Prov. of Murcia). Eclogae Geologicae Helvetiae. 68: 147-211. gs V 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 V O


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Grantarhabdus meddii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10488 Go to Archive.is to create a permanent copy of this page - citation notes



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