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Quadrithyris vijaicus

Rhynchonellata - Spiriferida - Xenomartiniidae

Taxonomy
Spirifer (Delthyris) vijaicus was named by Khodalevich (1951). It is a 3D body fossil.

It was recombined as Quadrithyris vijaicus by Johnson (1970), Johnson (1971).

Sister species lacking formal opinion data
Q. jakovlevi, Q. macrorhyncha, Q. orba, Q. robusta, Q. sobrina, Q. tiro

Synonymy list
YearName and author
1951Spirifer (Delthyris) vijaicus Khodalevich p. 95 figs. Pl. 28, figs. 5a-e
1970Quadrithyris vijaicus Johnson p. 262 figs. Plate 53, figs. 31-36
1971Quadrithyris vijaicus Johnson p. 319 figs. P1. 42, figs. 26-30

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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
orderSpiriferida
suborderDelthyridinaIvanova 1972
superfamilyReticularioidea
familyXenomartiniidaeHavlicek 1971
subfamilyQuadrithyridinaeGourvennec 1994
genusQuadrithyrisHavlicek 1957
speciesvijaicus(Khodalevich 1951)

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.

†Quadrithyris vijaicus Khodalevich 1951
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Diagnosis
ReferenceDiagnosis
J. G. Johnson 1970Biconvex, smooth or plicate shells with nonconvergent dental lamellae and a long median septum in the pedicle valve; crural plates lacking.
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 14:12:52
Modified: 2004-02-28 16:12:52
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: Eifelian or 393.47000 to 387.95000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Eifelian393.47 - 387.95USA (Nevada) Delthyris vijaicus (5295 5296) Quadrithyris vijaicus (3826 3830)