Streptochilus cetacense


Classification: pf_cenozoic -> Guembelitrioidea -> Chiloguembelinidae -> Streptochilus -> Streptochilus cetacense
Sister taxa: S. globulosum, S. globigerum, S. latum, S. subglobigerum, S. inglei, S. macdougallae, S. cetacense, S. mascarenense, S. pristinum, S. rockallkiddense, S. tasmanense, S. martini, S. sp.,

Taxonomy

Citation: Streptochilus cetacense Smart and Thomas 2007
Rank: species
Basionym: Streptochilus cetacensis Smart and Thomas 2007
Taxonomic discussion: Streptochilus is a neuter noun (Smart & Thomas 2018, p.501) so the correct form of the species name is cetacense, although it was given as cetacensis in the original description.

Catalog entries: Streptochilus cetacensis

Type images:

Distinguishing features: Triangular in shape and flared

NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus.
They are being edited as the site is developed and comments on them are especially welcome.

Description

Character matrix

test outline:Subtriangularchamber arrangement:Biserialedge view:Compressedaperture:Interiomarginal
sp chamber shape:Subrectangularcoiling axis:N/Aperiphery:N/Aaperture border:Thin flange
umb chbr shape:Subrectangularumbilicus:N/Aperiph margin shape:Narrowly roundedaccessory apertures:None
spiral sutures:Moderately depressedumb depth:N/Awall texture:Smoothshell porosity:Microperforate: <1µm
umbilical or test sutures:Moderately depressedfinal-whorl chambers:2.0-2.0 N.B. These characters are used for advanced search. N/A - not applicable

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Early Miocene Sub-Epoch (15.97-23.03Ma, top in Burdigalian stage). Data source: Smart & Thomas 2007
First occurrence (base): within Early Miocene Sub-Epoch (15.97-23.03Ma, base in Aquitanian stage). Data source: Smart & Thomas 2007

Plot of occurrence data:

References:

Smart, C. W. & Thomas, E. (2007). Emendation of the genus Streptochilus Brönnimann and Resig 1971 (Foraminifera) and new species from the lower Miocene of the Atlantic and Indian Oceans. Micropaleontology. 53(01-Feb): 73-103, 103 figures, 113 lates, 101 table. gs


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Streptochilus cetacense compiled by the pforams@mikrotax project team viewed: 17-9-2019

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Short stable page link: http://mikrotax.org/pforams/index.php?id=104222 Go to Archive.is to create a permanent copy of this page - citation notes



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