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

Xenorum

Protozoa - Entactinaria - Eptingiidae

Taxonomy
Xenorum was named by Blome (1984) [Sepkoski's age data: Tr Nori-l Tr Nori-m Sepkoski's reference number: 707].

It was assigned to Eptingiidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Synonymy list
YearName and author
1984Xenorum Blome
2001Xenorum De Wever et al. p. 188
2002Xenorum Sepkoski

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
RankNameAuthor
subclassRadiolaria(Müller 1858)
superorderPolycystina(Ehrenberg 1838)
orderEntactinariaKozur and Mostler 1982
familyEptingiidaeDumitrica 1978
genusXenorumBlome 1984

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. †Xenorum Blome 1984
show all | hide all
†Xenorum flexum Blome 1984
†Xenorum jinluense Wang et al. 2002
†Xenorum jurassicum Kozur and Mostler 1990
†Xenorum rotundum Dumitrica et al. 2010
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

Age range: base of the Julian to the top of the Early/Lower Bajocian or 237.00000 to 168.60000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Julian237.0 - 233.6Türkiye X. rotundum (95666)
Carnian237.0 - 227.3China (Xizang) X. flexum, X. jinluense (96056 96057)
Late/Upper Triassic237.0 - 201.4Japan X. sp. A (120052 120054 120059)
Tuvalian233.6 - 227.3Oman X. rotundum (96085)
Tuvalian - Norian233.6 - 205.7Malaysia X. flexum (130423)
Early/Lower Hettangian201.4 - 199.5Japan X. sp. A (54234)
Hettangian201.4 - 199.5Germany (Bayern) X. jurassicum (94833)
Early/Lower Jurassic201.4 - 174.7Japan X. sp. A (120132 120134 120136 120138)
Sinemurian - Pliensbachian199.5 - 184.2Japan X. sp. (119996 119997 119999 120000 120001)
Pliensbachian - Early/Lower Toarcian192.9 - 182.9Japan X. sp. (124888)
Late/Upper Aalenian - Early/Lower Bajocian174.7 - 168.6Russian Federation (Primorskiy Kray) X. sp. (92799)