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Spanionema

Gastropoda - Spanionematidae

Taxonomy
Spanionema was named by Whidborne (1891) [Sepkoski's age data: D m Sepkoski's reference number: 1].

It was assigned to Procerithiidae by Knight et al. (1960); to Palaeozygopleuridae by Heidelberger (2001); to Neotaenioglossa by Sepkoski (2002); to Subulitidae by Krawczyński (2002); and to Spanionematidae by Bouchet et al. (2005).

Synonymy list
YearName and author
1891Spanionema Whidborne
1960Spanionema Knight et al. p. 317
2001Spanionema Heidelberger
2002Spanionema Krawczyński
2002Spanionema Sepkoski
2005Spanionema Bouchet et al. p. 161

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
familySpanionematidaeGolikov and Starobogatov 1987
genusSpanionema

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.

G. †Spanionema Whidborne 1891
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Spanionema scalaroides Whidborne 1889
Spanionema varicosa Holzapfel 1895
Diagnosis
No diagnoses are available