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Xenelasmatinae

Rhynchonellata - Pentamerida - Syntrophiidae

Taxonomy
Xenelasmatinae was named by Ulrich and Cooper (1936). Its type is Xenelasma.

It was assigned to Syntrophiidae by Williams et al. (2002).

Synonymy list
YearName and author
1936Xenelasmatinae Ulrich and Cooper
2002Xenelasmatinae Williams et al. p. 935

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderPentameridaSchuchert and Cooper 1931
suborderSyntrophiidinaUlrich and Cooper 1936
superfamilyPorambonitoideaDavidson 1853
familySyntrophiidaeSchuchert 1896
subfamilyXenelasmatinaeUlrich and Cooper 1936
subfamilyXenelasmatinaeUlrich and Cooper 1936

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.

Subfm. †Xenelasmatinae Ulrich and Cooper 1936
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G. †Rosella Andreeva 1972
G. †Xenelasma
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:11:46
Modified: 2004-02-28 16:11:46
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Whiterockian to the top of the Arenigian or 471.80000 to 468.10000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Ordovician485.4 - 470.0USA (Texas) Xenelasma sp. (293)
Canadian485.4 - 468.1USA (Maryland) Xenelasma sp. (428)
Jeffersonian485.4 - 468.1USA (Texas) Xenelasma synthrophioides (80088)
Arenigian478.6 - 468.1Russian Federation Rosella karakulensis (37813)
Floian477.7 - 470.0Russian Federation (Siberia) Rhyselasma sp. (9292)
Whiterockian471.8 - 457.5USA (Nevada) Xenelasma sp. (104469)
Dapingian470.0 - 467.3Russian Federation (Siberia) Rhyselasma sp. (9293)