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Ellipsoidina

Nodosariata - Polymorphinida - Ellipsoidinidae

Taxonomy
Ellipsoidina was named by Seguenza (1859) [Sepkoski's age data: T Eo T Plio]. It was considered unknown by Hayward et al. (2012).

It was assigned to Foraminiferida by Sepkoski (2002); and to Ellipsoidinidae by Cushman (1927) and Hayward et al. (2012).

Synonymy list
YearName and author
1859Ellipsoidina Seguenza
1927Ellipsoidina Cushman p. 72
2002Ellipsoidina Sepkoski
2012Ellipsoidina Hayward et al. p. 206

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
classNodosariata
RankNameAuthor
orderPolymorphinida
superfamilyPleurostomelloidea
familyEllipsoidinidaeSilvestri 1923
genusEllipsoidina

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.

G. †Ellipsoidina Seguenza 1859
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Diagnosis
ReferenceDiagnosis
B.W. Hayward et al. 2012Test small to large, may be biserial to uniserial, circular in cross-section; last chamber completely enveloping the former chambers, or sometimes overlapping biserial earlier part and only completely enveloping the test when
it becomes uniserial; chambers ovoid to spherical, attached only at the base of the test; wall smooth or striate; aperture terminal, lunate to chevron-shaped slit; possesses an internal successive, hemi-cylindrical tooth plate between foramina.
Measurements
No measurements are available
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2007-11-28 00:47:02
Modified: 2009-05-20 05:31:44
Source: o = order
Reference: Kiessling 2004

Age range: Ypresian or 56.00000 to 47.80000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8Spain E. spp. (154090 154097)