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Taxonomy
Arca patagonica was named by Ihering (1897) [DISTRIBUTION: Oligocene-Miocene; Chile, Argentina.]. It is not a trace fossil.
It was synonymized subjectively with Arca umbonata by Parodiz (1996); it was recombined as Arca (Arca) patagonica by Frassinetti and Covacevich (1999).
It was synonymized subjectively with Arca umbonata by Parodiz (1996); it was recombined as Arca (Arca) patagonica by Frassinetti and Covacevich (1999).
Sister species lacking formal opinion data
A. bellonii, A. bravoensis, A. cancellata, A. carinata, A. gurgitis, A. limatella, A. macnairyensis, A. montensis, A. nana, A. pakistanica, A. pergracilis, A. securiculata, A. tailleburgensis, A. triasina, A. halmyrus, A. montensis, A. fruthi, A. stillicidum, A. mikkula, A. waltonia, A. fracta, A. gabrielis, A. veatchi
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Arca patagonica Ihering p. 235 figs. pl. 4, fig. 25 |
| 1999 | Arca (Arca) patagonica Frassinetti and Covacevich p. 17 |
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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.
†Arca (Arca) patagonica Ihering 1897
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| References: Aberhan et al. 2004, Mikkelsen and Bieler 2008 | |||||
Age range: Early/Lower Miocene or 23.03000 to 15.97000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oligocene - Early/Lower Miocene | Argentina (Santa Cruz) | Arca patagonica (48068) | |
| Early/Lower Miocene | Argentina | Arca patagonica (71539 71540 71542 185967) | |
| Early/Lower Miocene | Chile | Arca patagonica (78425) |