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Formosagnostus
Taxonomy
Formosagnostus was named by Ergaliev (1980). It is not extant. Its type is Formosagnostus formosus.
It was synonymized subjectively with Hadragnostus by Jell and Adrain (2002).
It was assigned to Agnostidae by Ergaliev and Ergaliev (2008).
It was synonymized subjectively with Hadragnostus by Jell and Adrain (2002).
It was assigned to Agnostidae by Ergaliev and Ergaliev (2008).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Formosagnostus Ergaliev |
| 2008 | Formosagnostus Ergaliev and Ergaliev |
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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. †Formosagnostus Ergaliev 1980
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†Formosagnostus convexus Chu 1959
†Formosagnostus formosus Ergaliev 1980
†Formosagnostus zhanatasicus Ergaliev and Ergaliev 2008
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Ayusokkanian to the top of the Sakian or 499.50000 to 492.80000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Hunan) | F. formosus (128930) | |
| Guzhangian | China (Jiangsu) | Homagnostus convexus (129926) | |
| Guzhangian | China (Liaoning) | F. sp. (126765) Homagnostus convexus (126764) | |
| Ayusokkanian | Kazakhstan | F. formosus (118186 118234 118238 118239 118241 118245 118248) Homagnostus convexus (118236) | |
| Sakian | Kazakhstan | F. zhanatasicus (118373) |