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Versispira

Xiphosura - Sessilia - Scalpellidae

Taxonomy
Versispira was named by Perner (1903) [Sepkoski's age data: O Cara-m Sepkoski's reference number: 615].

It was reranked as Scaevogyra (Versispira) by Perner (1911).

It was assigned to Scaevogyra by Perner (1911); to Onychochilidae by Linsley and Kier (1984); to Hyperstrophina by Sepkoski (2002); and to Scaevogyrinae by Knight et al. (1960) and Wagner (2020).

Synonymy list
YearName and author
1903Versispira Perner
1911Scaevogyra (Versispira) Perner
1960Versispira Knight et al. p. 187
1984Versispira Linsley and Kier
2002Versispira Sepkoski, Jr.
2020Versispira Wagner p. G1056

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Phosphatothoracica
Calamida
familyScalpellidaePilsbry 1907
familyCalanticidaeZevina 1978
suborderLepadomorphaGruvel 1905
Unilatera
familyNeolepadidae(Yamaguchi et al. 2004)
familyBrachylepadidaeWoodward 1901
orderSessiliaLamarck 1818
PoecilophysideaPepato et al. 2010
orderAcariformes(Zakhvatkin 1952)
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
classXiphosura()
orderXiphosuridaLatreille 1802
Planaterga
Dekatriata
SclerophorataKamenz et al. 2011
RankNameAuthor
classArachnidaLamarck 1801
orderParasitiformes(Reuter 1909)
suborderMesostigmataCanestrini 1891
suborderSarcoptiformesReuter 1909
infraorderOribatidaDug├Ęs 1834
ParhyposomataGrandjean 1969
Spiralia
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderProductidaSarycheva and Sokolskaya 1959
suborderLyttoniidina
superfamilyLyttonioidea
phylumMollusca
classParagastropoda
orderMimospirida
superfamilyClisospiroidea()
familyOnychochilidae
subfamilyScaevogyrinae
genusVersispira

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