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Robertsonidra
Taxonomy
Robertsonidra was named by Osburn (1952). It is extant.
It was assigned to Petraliidae by Bassler (1953).
It was assigned to Petraliidae by Bassler (1953).
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Robertsonidra Osburn |
| 1953 | Robertsonidra Bassler p. G197 |
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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. Robertsonidra Osburn 1952
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Diagnosis
No diagnoses are available