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Gemmula amica
Taxonomy
Gemmula amica was named by Casey (1903) [DISTRIBUTION: Oligocene; Panama.]. It is not a trace fossil.
It was recombined as Gemmula (Coronia) amica by Harris and Palmer (1947).
It was recombined as Gemmula (Coronia) amica by Harris and Palmer (1947).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Gemmula amica Casey p. 270 |
| 1947 | Gemmula (Coronia) amica Harris and Palmer p. 420 |
| 1970 | Gemmula amica Woodring p. 360 |
| 2008 | Gemmula amica Hendy et al. |
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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.
†Gemmula amica Casey 1903
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Oligocene to the top of the Rupelian or 28.40000 to 28.10000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rupelian | USA (Mississippi) | Gemmula amica (5501 5612 5779 74077 74078 74079 74080 74081 74082 74083) | |
| Late/Upper Oligocene | Panama | Gemmula amica (42577) |