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Uvigerina (Sagrina) bifrons

Siphogenerinoididae

Taxonomy
Uvigerina (Sagrina) bifrons was named by Brady (1881).

It was recombined as Rectobolivina bifrons by Cushman (1927).

Sister species lacking formal opinion data
U. canariensis, U. churchi, U. gracilis, U. pigmea, U. rudlingensis, U. schencki

Synonymy list
YearName and author
1881Uvigerina (Sagrina) bifrons Brady
1927Rectobolivina bifrons Cushman p. 68

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderRotaliinaDelage and Herouard 1896
superfamilyBuliminaceaJones 1875
RankNameAuthor
familySiphogenerinoididaeSaidova 1981
subfamilyTubulogenerininaeSaidova 1981
genusUvigerinad'Orbigny 1839
subgenusSagrina
speciesbifronsBrady 1881

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitesubo
Environment: outer shelf, marinesubo
Locomotion: stationarysubo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2007-09-19 08:26:03
Modified: 2007-09-19 10:26:03
Source: subo = suborder, o = order
Reference: Kiessling 2004

Age range: Zanclean or 5.33300 to 3.60000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Zanclean5.333 - 3.6Australia (Victoria) Rectobolivina bifrons (166744)
Pliocene5.333 - 2.588Japan Rectobolivina bifrons (45525)