Nannotax3 - Mesozoic - Ethmorhabdus

Ethmorhabdus

Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Ethmorhabdus
Sister taxa: Axopodorhabdus, Cribrocorona, Cribrosphaerella, Dodekapodorhabdus, Ethmorhabdus, Hemipodorhabdus, Hexapodorhabdus, Nephrolithus, Octocyclus, Octopodorhabdus, Perissocyclus, Podorhabdus, Psyktosphaera, Teichorhabdus, Tetrapodorhabdus,

Distinguishing features: Ellpitical, rim narrow rim; central area wide, spanned by multiperforate net, with or without axial cross and spine.

Daughter taxa: (blue => in age window 0-800Ma)
				Ethmorhabdus anglicus Ethmorhabdus with two cycles of relatively large perforations (20-30 in total).
				Ethmorhabdus crucifer Ethmorhabdus with prominent axial cross bars as well as net.
				Ethmorhabdus gallicus Ethmorhabdus with finely perforate net.
				Ethmorhabdus hauterivianus Ethmorhabdus with finely perforate net.
				Ethmorhabdus sp. Specimens not identified to species level

Taxonomy:

Citation: Ethmorhabdus Noël, 1965

Rank: Genus

Type species: Ethmorhabdus gallicus Noël, 1965

Farinacci & Howe catalog pages: Ethmorhabdus * , ,

Distinguishing features: Ellpitical, rim narrow rim; central area wide, spanned by multiperforate net, with or without axial cross and spine.

Geological Range:
Last occurrence (top): at top of Barremian Stage (100% up, 126.3Ma, in Barremian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Toarcian Stage (0% up, 182.7Ma, in Toarcian stage). Data source: Total of range 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: Axopodorhabdaceae

References:

Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs

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

Noël, D. (1965). Sur les Coccolithes du Jurassique Européen et d'Afrique du Nord. Éditions du Centre National de la Recherche Scientifique, Paris. -. gs

Ethmorhabdus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-7-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10439 Go to Archive.is to create a permanent copy of this page - citation notes

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