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Quadrithyrina

Rhynchonellata - Spiriferida - Xenomartiniidae

Taxonomy
Quadrithyrina was named by Havlicek (1959) [Sepkoski's age data: D Eife Sepkoski's reference number: 25]. It is not extant.

It was assigned to Spiriferida by Sepkoski (2002); and to Bojothyridinae by Williams et al. (2006).

Synonymy list
YearName and author
1959Quadrithyrina Havlicek
2002Quadrithyrina Sepkoski, Jr.
2006Quadrithyrina Williams et al. p. 1862

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderDelthyridinaIvanova 1972
superfamilyReticularioidea
familyXenomartiniidaeHavlicek 1971
subfamilyBojothyridinaeHavlicek 1990
genusQuadrithyrinaHavlicek 1959

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.

Diagnosis
No diagnoses are available