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Aperispirifer
Taxonomy
Aperispirifer was named by Waterhouse (1968) [Sepkoski's age data: P Sakm-u P Dora Sepkoski's reference number: 427,712].
It was assigned to Spiriferida by Sepkoski (2002); to Grantonini by Waterhouse (2004); and to Trigonotretinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); to Grantonini by Waterhouse (2004); and to Trigonotretinae by Williams et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Aperispirifer Waterhouse p. 35 |
| 2002 | Aperispirifer Sepkoski |
| 2004 | Aperispirifer Waterhouse |
| 2006 | Aperispirifer Williams et al. p. 1802 |
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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. †Aperispirifer Waterhouse 1968
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†Aperispirifer archboldi Waterhouse 2001
†Aperispirifer lethamensis Waterhouse 1968
†Aperispirifer nelsonensis Waterhouse 1964
†Aperispirifer ovalis Waterhouse 1987
†Aperispirifer wairakiensis Waterhouse 1964
Diagnosis
No diagnoses are available