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Pterotrigonia oregana
Taxonomy
Trigonia evansana oregana was named by Packard (1921). Its type specimen is Condom Museum type number 11dom Museum type number 4 and is a 3D body fossil.
It was recombined as Pterotrigonia oregana by Jones (1960), Elder and Miller (1993).
It was recombined as Pterotrigonia oregana by Jones (1960), Elder and Miller (1993).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Trigonia deschutesensis Packard pp. 24 - 25 figs. Plate 10, Figure 3 |
| 1921 | Trigonia evansana oregana Packard pp. 26 - 27 figs. Plate 9, Figure 7 |
| 1960 | Pterotrigonia oregana Jones p. 437 figs. PI. 59, figs, 2,5,9-11,13 |
| 1993 | Pterotrigonia oregana Elder and Miller pp. Table 2 |
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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.
†Pterotrigonia oregana Packard 1921
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Invalid names: Trigonia deschutesensis Packard 1921 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: Cenomanian or 100.50000 to 93.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (California) | Pterotrigonia oregana (185389) |