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Argyrotheca anomala
Taxonomy
Argyrotheca anomala was named by Cooper (1979). Its type specimen is USNM 550454c and is a 3D body fossil. Its type locality is USNM 818n, Finca Hatway, which is in an Oligocene marine horizon in Cuba.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Argyrotheca anomala Cooper p. 18 figs. Pl. 7, Fig. 31-36 |
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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.
†Argyrotheca anomala Cooper 1979
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 0.894 | 0.800 | 1.00 | 0.900 | 0.141 | |
| valve height | 1 | 1.30 | - | - | - | - |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Priabonian to the top of the Oligocene or 37.71000 to 23.04000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | Tonga | Argyrotheca anomala (43006) | |
| Oligocene | Cuba | Argyrotheca anomala (type locality: 166233) |