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Crenispirifer
Taxonomy
Crenispirifer was named by Stehli (1954) [Sepkoski's age data: C Step P Djhu Sepkoski's reference number: 1,411].
It was assigned to Spiriferida by Sepkoski (2002); and to Spiriferellinidae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Spiriferellinidae by Williams et al. (2006).
Species
Synonymy list
Year | Name and author |
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1954 | Crenispirifer Stehli p. 347 |
2002 | Crenispirifer Sepkoski |
2006 | Crenispirifer Williams et al. p. 1918 |
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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. †Crenispirifer Stehli 1954
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†Crenispirifer alpheus Huang 1933
†Crenispirifer angulatus King 1931
†Crenispirifer dzhulfensis Ivanova 1965
†Crenispirifer effrenus Cooper and Grant 1976
†Crenispirifer jubatus Cooper and Grant 1976
†Crenispirifer myllus Cooper and Grant 1976
†Crenispirifer nakamurai Tazawa and Shintani 2014
†Crenispirifer sagus Cooper and Grant 1976
Diagnosis
No diagnoses are available