Nannotax3 - ntax_cenozoic - Scyphosphaera hemirana

Scyphosphaera hemirana

Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Scyphosphaera -> Scyphosphaera hemirana
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.

Siesser1998 pl3-4a.JPG
Siesser1998 pl4-3a.JPG
Siesser1998 pl5-7a.JPG

Taxonomy:

Citation: Scyphosphaera hemirana Kamptner 1967

Rank: Species

Synonyms:

Scyphosphaera oremesa Kamptner 1967
Scyphosphaera tora Kamptner 1967

Both these species weredescribed from the same material as S. hemirana and the holotypes appear very similar. S. hemirana has page pririoty and is based on the clearest holotype. [JRY 2016]

Distinguishing features:
Parent taxon (Scyphosphaera): Coccospheres with Pontosphaera-like body coccoliths and equatorial coccoliths with rims elevated into vase-like structures (lopadoliths).
This taxon: Cylindrical Scyphosphaera with fluted sides

Farinacci & Howe catalog pages: S. hemirana * , S. oremesa * , S. tora *

Morphology:

The illustrations appear distinctive but the species has never been described properly and posibly is based on debris from another calcareous microfossil

Size:

Search data:

Tags	LITHS: murolith, elliptical, cylindrical, hollow, CA: plate, pores, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
Metrics	Lith size: 5->12µm; 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: The type material is a dredged holocene ooze (Challenger station 338), but it inlcudes reowrked specimens
Last occurrence (top): within Late Pleistocene Sub-Epoch (0.01-0.13Ma, top in Tarantian stage). Data source: Kamptner 1967
First occurrence (base): within Pleistocene Epoch (0.01-2.59Ma, base in Gelasian stage). Data source: Kamptner 1967

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
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Scyphosphaera hemirana, synonyms included - Scyphosphaera hemirana; Scyphosphaera oremesa; Scyphosphaera tora;
See also space-time plot :: Samples map :: Parent: Scyphosphaera

References:

Kamptner, E. (1967). Kalkflagellaten - Skelettreste aus Tiefseeschlamm des Südatlantischen Ozeans. Annalen des Naturhistorischen Museums in Wien. 71: 117-198. gs O

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

Scyphosphaera hemirana compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-8-2022

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1229 Go to Archive.is to create a permanent copy of this page - citation notes

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