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Xenosteges minusculus

Strophomenata - Productida - Aulostegidae

Taxonomy
Xenosteges minusculus was named by Hoover (1981). Its type specimen is USNM 221062, a shell (Articulated shell), and it is not a trace fossil.

Synonymy list
YearName and author
1981Xenosteges minusculus Hoover p. 55 figs. Pl 4, figs 3-18

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderProductidaSarycheva and Sokolskaya 1959
suborderStrophalosiidina
superfamilyAulostegoideaMuir-Wood and Cooper 1960
familyAulostegidae
subfamilyEchinosteginae
genusXenosteges
speciesminusculus

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.

Xenosteges minusculus Hoover 1981
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height61.951.203.701.851.02

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationarysubo
Attached: yessubo
Life habit: low-level epifaunalsubo
Diet: suspension feedersubo
Vision: blindc
Created: 2018-11-10 17:08:57
Modified: 2018-11-10 17:08:57
Source: subo = suborder, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Williams et al. 2000, Nesnidal et al. 2013

Age range: Kungurian or 279.30000 to 272.30000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3Venezuela (Merida) Xenosteges minusculus (41510 41511 41512)