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Pachydiscus (Pachydiscus) gutierrezi
Taxonomy
Pachydiscus (Pachydiscus) gutierrezi was named by Salazar et al. (2010). Its type specimen is CPUC/Q/LT/89, a shell, and it is a 3D body fossil. Its type locality is Las Tablas, Quiriquina Island (locality LT, beds with concretions), which is in a Maastrichtian marine sandstone in the Quiriquina Formation of Chile.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Pachydiscus (Pachydiscus) gutierrezi Salazar et al. p. 213 figs. 27b-c, 29-31, 32a-b |
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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.
†Pachydiscus (Pachydiscus) gutierrezi Salazar et al. 2010
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 13.0 | 6.00 | 71.0 | 10.5 | 23.1 | |
| shell diameter | 7 | 27.7 | 16.0 | 138.0 | 21.0 | 44.2 | |
| shell inflation | 7 | 6.04 | 3.00 | 26.0 | 5.00 | 8.07 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Chile | Pachydiscus gutierrezi (165491 type locality: 165492 165497 165507) |