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Acrospirifer
Taxonomy
Acrospirifer was named by Wedekind (1926) [Sepkoski's age data: D Sieg-l D Eife Sepkoski's reference number: 25]. It is not extant. It is the type genus of Acrospiriferidae.
It was reranked as Hysterolites (Acrospirifer) by Amsden and Ventress (1963).
It was assigned to Hysterolites by Amsden and Ventress (1963); to Hysterolitinae by Johnson (1995); to Spiriferida by Sepkoski (2002); and to Acrospiriferinae by Williams et al. (2006) and Boucot et al. (2008).
It was reranked as Hysterolites (Acrospirifer) by Amsden and Ventress (1963).
It was assigned to Hysterolites by Amsden and Ventress (1963); to Hysterolitinae by Johnson (1995); to Spiriferida by Sepkoski (2002); and to Acrospiriferinae by Williams et al. (2006) and Boucot et al. (2008).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1926 | Acrospirifer Wedekind |
1963 | Hysterolites (Acrospirifer) Amsden and Ventress |
1995 | Acrospirifer Johnson p. 198 |
2002 | Acrospirifer Sepkoski |
2006 | Acrospirifer Williams et al. p. 1836 |
2008 | Acrospirifer Boucot et al. |
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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.
Diagnosis
No diagnoses are available