Nannotax3 - ntax_cenozoic - Scyphosphaera brevis

Scyphosphaera brevis


Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Scyphosphaera -> Scyphosphaera brevis
Sister taxa: S. apsteinii, S. porosa ⟩⟨ S. brevis, S. globulata, S. hamptonii, S. hemirana, S. lagena ⟩⟨ S. campanula, S. intermedia, S. pulcherrima, S. tubifera, S. ventriosa ⟩⟨ S. columella, S. expansa, S. interstincta, S. olla, S. tercisensis, S. tubicena, S. sp.

Taxonomy:

Citation: Scyphosphaera brevis Varol 1984
Rank: Species
Variants:

Taxonomic discussion:
These forms intergrade with S. apstenii but fall outside the range of morphotypes sen on extant S. apsteinii coccospheres 

Distinguishing features:
Parent taxon (Scyphosphaera): Coccospheres with Pontosphaera-like body coccoliths and equatorial coccoliths with rims elevated into vase-like structures (lopadoliths).
This taxon: Squat low Scyphosphaera with curved walls and wide opening, no collar

Farinacci & Howe catalog pages: S. brevis * , S. pseudorecurvata * , S. praeglobulata *

Search data:
TagsLITHS: murolith, elliptical, cylindrical, hollow, CA: plate, pores, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 5->10µm;
Data source notes: lith height from ODs
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Notes: S. pseudorecurvata and S. praeglobulata; were described from the Late Miocene, S. brevis from the Middle Miocene, NN6-7
Last occurrence (top): within Late Miocene Sub-Epoch (5.33-11.62Ma, top in Messinian stage). Data source: Varol 1989
First occurrence (base): within NN6 zone (11.90-13.53Ma, base in Serravallian stage). Data source: Varol 1984

Plot of occurrence data:

References:

Siesser, W. G. (1998). Calcareous nannofossil Genus Scyphosphaera: structure, taxonomy, biostratigraphy, and phylogeny. Micropaleontology. 44(4): 351-384. gs

Varol, O. (1984). New Neogene calcareous nannofossil taxa from Malta and southern Turkey. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 6: 375-384. gs

Varol, O. (1989a). Calcareous nannofossil study of the central and western Solomon Islands. Circum-Pacific Council for Energy and Mineral Resources Earth Sciences. 239-268. gs V O


nannotaxlogo400px

Scyphosphaera brevis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-9-2021

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1223 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics