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Taxonomy
Frithjofia was named by Pribyl and Vanek (1978) [Sepkoski's age data: D Fame-l D Fame-u Sepkoski's reference number: 802]. It is not extant. Its type is Drevermannia (Formonia) annulilobata.
It was assigned to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Drevermanniinae by Basse (2007).
It was assigned to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Drevermanniinae by Basse (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Frithjofia Pribyl and Vanek |
| 2002 | Frithjofia Jell and Adrain p. 477 |
| 2002 | Frithjofia Sepkoski |
| 2007 | Frithjofia Basse pp. 72 - 73 |
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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. †Frithjofia Pribyl and Vanek 1978
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†Frithjofia annulilobata Lütke 1968
†Frithjofia weddigei Basse 2007
Diagnosis
No diagnoses are available