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Micragnostus brevispinus
Taxonomy
Eurudagnostus brevispinus was named by Lermontova (1951). It is not extant.
It was recombined as Micragnostus brevispinus by Ergaliev and Ergaliev (2008).
It was recombined as Micragnostus brevispinus by Ergaliev and Ergaliev (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Eurudagnostus brevispinus Lermontova |
| 2008 | Micragnostus brevispinus 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.
†Micragnostus brevispinus Lermontova 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Aksaian to the top of the Batyrbaian or 492.80000 to 486.85000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Taoyuanian | Russian Federation (Sakha) | Eurudagnostus brevispinus (133606 133607 133609) | |
| Aksaian | Kazakhstan | Micragnostus brevispinus (118458 118467 118475 118476 118487 118872 118878) | |
| Batyrbaian | Kazakhstan | Micragnostus brevispinus (118899 118900) |