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Xenoschrammenum

Hexactinellida - Lychniscosa - Sporadopylidae

Taxonomy
Xenoschrammenum was named by de Laubenfels (1955) [Sepkoski's age data: J Oxfo-l - K Apti Sepkoski Ref. 622,775]. It is not extant.

It was assigned to Hexactinosa by Sepkoski (2002); and to Sporadopylidae by Finks et al. (2004).

Synonyms
Synonymy list
YearName and author
1937Amphiblestrum Schrammen
1955Xenoschrammenum de Laubenfels p. 79
2002Xenoschrammenus Sepkoski
2004Xenoschrammenum Finks et al. p. 547

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
RankNameAuthor
orderLychniscosaSchrammen 1903
familySporadopylidaeSchrammen 1937
genusXenoschrammenumde Laubenfels 1955

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. †Xenoschrammenum de Laubenfels 1955
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Xenoschrammenum alternans Schrammen 1937
Xenoschrammenum fragile Lagneau-Herenger 1962
Xenoschrammenum regulare Lagneau-Herenger 1962
Xenoschrammenum robustum Lagneau-Herenger 1962
Xenoschrammenum venosum Schrammen 1937
Invalid names: Amphiblestrum Schrammen 1937 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicac
Environment: marinec
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-05-08 19:09:36
Modified: 2009-05-08 21:09:36
Source: o = order, c = class
References: Kiessling 2004, Bambach et al. 2007

Age range: base of the Late/Upper Oxfordian to the top of the Late/Upper Albian or 157.90000 to 100.50000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Oxfordian161.5 - 154.8Poland X. alternans (114497)
Middle Oxfordian161.5 - 154.8Poland X. alternans (60850) X. punctatum (60809 60817) X. punctatum, X. alternans (60812 114252)
Middle Oxfordian - Late/Upper Oxfordian161.5 - 154.8Germany X. venosum (74033)
Oxfordian161.5 - 154.8Spain Amphiblestrum sp. (67866 67867)
Late/Upper Oxfordian157.9 - 154.8Poland X. alternans (60852 60854 60856) X. punctatum, X. alternans (60851 60855)
Late/Upper Oxfordian157.9 - 154.8Germany X. alternans (74047)
Late/Upper Kimmeridgian152.21 - 149.2Germany X. alternans (74099) X. venosum (74069)
Early/Lower Tithonian149.2 - 145.06Germany Tremaphorus alternans (34608)
Early/Lower Valanginian137.05 - 132.6France (Provence-Alpes-Cote d'Azur) X. regulare (111687)
Hauterivian132.6 - 125.77France (Rhone-Alpes) X. robustum (112151) X. robustum, X. fragile (112150)
Aptian121.4 - 113.2Spain (Catalonia) X. fragile (111533)
Early/Lower Albian113.2 - 110.1France (Provence-Alpes-Cote d'Azur) X. regulare, X. fragile (112209)
Middle Albian110.1 - 106.3France (Provence-Alpes-Cote d'Azur) X. regulare (112212)
Late/Upper Albian106.3 - 100.5France (Provence-Alpes-Cote d'Azur) X. fragile (112215 112216)
Late/Upper Albian106.3 - 100.5France (Languedoc-Rousillon) X. fragile (112213)