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Palaeacmaea typica
Taxonomy
Palaeacmaea typica was named by Hall and Whitfield (1872) [Palæacmæa typica]. It is not a trace fossil.
Sister species lacking formal opinion data
Entered
by P. Wagner on 2006-03-23; modified by P. Wagner on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Palaeacmaea typica Hall and Whitfield p. 242 figs. pl. 11 f. 4-5 |
| 1912 | Palaeacmaea typica Walcott pp. 264-265 figs. pl. 43 f. 1-2 |
| 1941 | Palaeacmaea typica Knight p. 227 figs. pl. 2 f. 4 |
| 1960 | Palaeacmaea typica Knight and Yochelson p. I77 fig. 46.4 |
| 2023 | Palaeacmaea typica Wagner p. 5249 |
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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.
†Palaeacmaea typica Hall and Whitfield 1872
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: Trempealeauan or 490.20000 to 486.85000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (New York) | Palaeacmaea typica (74542 74543) |