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Fredericksia
Taxonomy
Fredericksia was named as a genus. It is not extant.
It was reranked as Martinia (Fredericksia) by Reed (1944).
It was assigned to Martinia by Reed (1944); to Spiriferida by Sepkoski (2002); and to Ingelarellinae by Williams et al. (2006).
It was reranked as Martinia (Fredericksia) by Reed (1944).
It was assigned to Martinia by Reed (1944); to Spiriferida by Sepkoski (2002); and to Ingelarellinae by Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Martinia (Fredericksia) Reed p. 230 |
| 2002 | Fredericksia Sepkoski |
| 2006 | Fredericksia Williams et al. p. 1758 |
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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. †Fredericksia
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†Fredericksia irbytschanensis Zavodowsky 1968
†Fredericksia simensis Tschernyschew 1902
†Martinia (Fredericksia) khurensis Reed 1944
Diagnosis
No diagnoses are available