Berggrenia pumilio


Classification: pf_cenozoic -> Globorotaliidae -> Berggrenia -> Berggrenia pumilio
Sister taxa: B. pumilio, B. sp.,

Taxonomy

Citation: Berggrenia pumilio (Parker, 1962)
Rank: species
Basionym: Globorotalia pumilio

Catalog entries: Globorotalia pumilio

Type images:

Distinguishing features: monospecific

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


Test morphology:

Coiling direction (in extant population): dextral


Size: <150µm

Character matrix

test outline:Lobatechamber arrangement:Trochospiraledge view:Equally biconvexaperture:Umbilical-extraumbilical
sp chamber shape:Globularcoiling axis:Lowperiphery:N/Aaperture border:Thin lip
umb chbr shape:Globularumbilicus:Wideperiph margin shape:Moderately roundedaccessory apertures:None
spiral sutures:Moderately depressedumb depth:Shallowwall texture:Smoothshell porosity:Finely Perforate: 1-2.5µm
umbilical or test sutures:Moderately depressedfinal-whorl chambers:5.5-7.0 N.B. These characters are used for advanced search. N/A - not applicable

Biogeography and Palaeobiology


Geographic distribution:

In modern oceans a rare, temperate water, species [SCOR WG138]

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (SCOR WG138)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in stage). Data source:

Plot of occurrence data:

References:

Loeblich, A. & Tappan, H. (1994). Foraminifera of the Sahul shelf and Timor Sea. Cushman Foundation for Foraminiferal Research, Special Publication. 31: 1-661. gs

Parker, F. L. (1962). Planktonic foraminiferal species in Pacific sediments. Micropaleontology. 8(2): 219-254. gs


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Berggrenia pumilio 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=104007 Go to Archive.is to create a permanent copy of this page - citation notes



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