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Pseudacrocephalaspina extrema
Taxonomy
Pseudacrocephalaspina extrema was named by Ergaliev (1980). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Pseudacrocephalaspina extrema 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.
†Pseudacrocephalaspina extrema Ergaliev 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||