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Taxonomy
Ptychopyge globifrons was named by Eischwald (1857). It is the type species of Pseudoasaphus, Pseudasaphus.
It was recombined as Pseudasaphus globifrons by Jaanusson (1953); it was recombined as Pseudoasaphus globifrons by Henningsmoen (1960).
It was recombined as Pseudasaphus globifrons by Jaanusson (1953); it was recombined as Pseudoasaphus globifrons by Henningsmoen (1960).
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Pseudasaphus globifrons Jaanusson |
| 1960 | Pseudoasaphus globifrons Henningsmoen |
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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.
†Pseudoasaphus globifrons Eischwald 1857
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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, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||