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Purdonella
Taxonomy
Spirifer (Purdonella) was named by Reed (1944) [Sepkoski's age data: C Mosc-l P Djhu Sepkoski's reference number: 2,1200]. It is the type subgenus of Purdonellinae.
It was reranked as Purdonella by Sepkoski (2002), Waterhouse (2004) and Williams et al. (2006).
It was assigned to Spirifer by Reed (1944); to Spiriferida by Sepkoski (2002); and to Purdonellinae by Waterhouse (2004) and Williams et al. (2006).
It was reranked as Purdonella by Sepkoski (2002), Waterhouse (2004) and Williams et al. (2006).
It was assigned to Spirifer by Reed (1944); to Spiriferida by Sepkoski (2002); and to Purdonellinae by Waterhouse (2004) and Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Spirifer (Purdonella) Reed p. 218 |
| 2002 | Purdonella Sepkoski |
| 2004 | Purdonella Waterhouse |
| 2006 | Purdonella Williams et al. p. 1780 |
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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. †Purdonella Reed 1944
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†Purdonella malingensis Feng 1978
†Purdonella markovskii Zavodowsky 1968
†Purdonella merlai Fantini Sestini 1965
†Purdonella nikitini Tschernyschew 1902
†Purdonella sadai Yanagida and Nishikawa 1984
†Purdonella semiovalis Reed 1944
†Purdonella soderberghi Dunbar 1955
†Purdonella tschernyschewiformis Ozaki 1931
†Spirifer (Purdonella) conformis Reed 1944
†Spirifer (Purdonella) limitaris Reed 1944
Diagnosis
No diagnoses are available