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Psilotrigonia vegaensis
Taxonomy
Psilotrigonia vegaensis was named by Pérez et al. (2008). Its type specimen is SNGM 591, a valve (left valve), and it is a 3D body fossil. Its type locality is Vega Redonda, Atacama, which is in a Sinemurian/Pliensbachian open shallow subtidal horizon in Chile.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Psilotrigonia vegaensis Pérez et al. p. 80 figs. Pl 9, figs 2,4; pl 10, figs 5,6; pl 12, fig 1 |
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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.
†Psilotrigonia vegaensis Pérez et al. 2008
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 31.0 | 26.0 | 37.0 | 31.5 | 7.78 |
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| Source: f = family | |||||
| References: Ros-Franch et al. 2014, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Sinemurian to the top of the Early/Lower Pliensbachian or 199.50000 to 184.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Chile | Psilotrigonia vegaensis (type locality: 95104) |