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Spanionema
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 Subulitidae by Krawczyński (2002); to Neotaenioglossa by Sepkoski (2002); and to Spanionematidae by Bouchet et al. (2005).
It was assigned to Procerithiidae by Knight et al. (1960); to Palaeozygopleuridae by Heidelberger (2001); to Subulitidae by Krawczyński (2002); to Neotaenioglossa by Sepkoski (2002); and to Spanionematidae by Bouchet et al. (2005).
Species
Synonymy list
Year | Name and author |
---|---|
1891 | Spanionema Whidborne |
1960 | Spanionema Knight et al. p. 317 |
2001 | Spanionema Heidelberger |
2002 | Spanionema Krawczyński |
2002 | Spanionema Sepkoski |
2005 | Spanionema Bouchet et al. p. 161 |
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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