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Taxonomy
Formonia was named by Richter (1928) [Sepkoski's age data: D Fame-l Sepkoski's reference number: 421,1106]. It is not extant. Its type is Drevermannia formosa.
It was reranked as Drevermannia (Formonia) by Lütke (1968).
It was assigned to Drevermannia by Lütke (1968); to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Drevermanniinae by Basse (2007).
It was reranked as Drevermannia (Formonia) by Lütke (1968).
It was assigned to Drevermannia by Lütke (1968); 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 |
|---|---|
| 1928 | Formonia Richter |
| 1968 | Drevermannia (Formonia) Lütke |
| 2002 | Formonia Jell and Adrain p. 376 |
| 2002 | Formonia Sepkoski |
| 2007 | Formonia 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. †Formonia Richter 1928
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†Formonia formosa Richter 1913
†Formonia globigenata Richter 1913
†Formonia scheldana Matern 1927
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Middle Famennian to the top of the Ivorian or 370.60000 to 346.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Famennian | Germany | F. formosa, F. globigenata (217186) | |
| Late/Upper Famennian | Germany | F. scheldana (217185) | |
| Ivorian | Poland | F. sp. (216570) |