PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Ellipsidium

Protozoa - Spumellaria

Taxonomy

Ellipsidium is a genus. It is extant.

It was assigned to Spumellaria by Sepkoski (2002).

Species

E. aculeatum, E. castanea, E. spinosum

Synonyms

Ellipsidium aculeatum was named by Rüst (1892). It is not extant.

It was considered a nomen dubium by Aitchison et al. (2017).
Ellipsidium castanea was named by Hinde (1899). It is not extant.

It was considered a nomen dubium by Aitchison et al. (2017).
Ellipsidium spinosum was named by Rüst (1892). It is not extant.

It was considered a nomen dubium by Aitchison et al. (2017).

Synonymy list

Year	Name and author
1892	Ellipsidium aculeatum Rüst
1892	Ellipsidium spinosum Rüst
1899	Ellipsidium castanea Hinde
2002	Ellipsidium Sepkoski

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Rank	Name	Author
—	Life
—	Eukaryota	()
class	Protozoa	Goldfuss 1820
subphylum	Sarcodina	Schmarda 1871

Rank	Name	Author
class	Reticularea	Lankester 1885
subclass	Radiolaria	(Müller 1858)
order	Spumellaria	Ehrenberg 1875
genus	Ellipsidium

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. Ellipsidium

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Invalid names: Ellipsidium aculeatum Rüst 1892 [nomen dubium], Ellipsidium castanea Hinde 1899 [nomen dubium], Ellipsidium spinosum Rüst 1892 [nomen dubium]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

silicap

Environment:

marinep

Locomotion:

passively mobilep

Life habit:

planktonicp

Diet:

omnivorep

Created:

2005-01-28 01:13:47

Modified:

2005-01-28 03:13:47

Source: p = phylum

Reference: Kiessling 1999

Collections

No collection or age range data are available