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Taxonomy
Grandiarca was named by Olsson (1961) [Sepkoski's age data: T Mi-l-u R Sepkoski's reference number: 816,1112]. It is extant.
It was synonymized subjectively with Larkinia by Coan et al. (2000); it was reranked as Anadara (Grandiarca) by Todd (2001).
It was assigned to Anadarinae by Moore (1983); to Anadara by Todd (2001); and to Arcoida by Sepkoski (2002).
It was synonymized subjectively with Larkinia by Coan et al. (2000); it was reranked as Anadara (Grandiarca) by Todd (2001).
It was assigned to Anadarinae by Moore (1983); to Anadara by Todd (2001); and to Arcoida by Sepkoski (2002).
Subtaxa
Anadara (Grandiarca) chiriquiensis (syn. Arca septifera, Arca (Anadara) toroensis, Arca (Scapharca) crescens, Arca (Anadara) nelsoni, Arca (Scapharca) imporcata, Arca websteri, Arca obesiformis), Anadara (Grandiarca) garitensis, Anadara (Grandiarca) patriarcha, Anadara (Grandiarca) patricia, Anadara (Grandiarca) usiacurii
Species lacking formal opinion data
Anadara burnesi, Anadara chavezi, Anadara chilensis, Anadara clathrata, Anadara dameyi, Anadara delandensis, Anadara guajirensis, Anadara hypomela, Anadara improcera, Anadara kogachiensis, Anadara larkini, Anadara microtera, Anadara natalensis, Anadara philippiana, Anadara rectangularis, Anadara setoensis, Anadara suzukii, Anadara tarponensis, Anadara tectumcolumbae, Anadara turoniensis, Anadara watanabei, Arca montensis
Synonymy list
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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.
Subg. Anadara (Grandiarca) Olsson 1961
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†Anadara (Grandiarca) chiriquiensis Gabb 1861
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†Anadara (Grandiarca) chiriquiensis anguillana Cooke 1919
Invalid names: Arca (Anadara) nelsoni Spieker 1922 [synonym], Arca (Anadara) toroensis Spieker 1922 [synonym], Arca (Scapharca) crescens Spieker 1922 [synonym], Arca (Scapharca) imporcata Spieker 1922 [synonym], Arca obesiformis Grzybowski 1899 [synonym], Arca septifera Grzybowski 1899 [synonym], Arca websteri Pilsbry 1910 [synonym]
†Anadara (Grandiarca) chiriquiensis bolivari Weisbord 1922
†Anadara (Grandiarca) garitensis Olsson 1932
†Anadara (Grandiarca) patriarcha Anderson 1929
†Anadara (Grandiarca) patricia Sowerby 1849
†Anadara (Grandiarca) usiacurii Anderson 1929
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| References: Mikkelsen and Bieler 2008, Sanchez Roig 1926 | |||||
Age range: base of the Early/Lower Oligocene to the top of the Early/Lower Pliocene or 33.90000 to 3.60000 Ma
Collections (50 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | Haiti | Arca websteri (106324) | |
| Early/Lower Oligocene - Middle Miocene | Haiti | Scapharca chiriquiensis (173458) | |
| Aquitanian | Panama | Anadara balboae (93038) Anadara balboai (42608 42631 49489 49490) | |
| Early/Lower Miocene | Peru | Arca chiriquiensis (66177 66178) | |
| Early/Lower Miocene | Colombia | Anadara chiriquiensis (131222) | |
| Early/Lower Miocene | Ecuador (Esmeraldas) | Anadara chiriquiensis (60753) | |
| Early/Lower Miocene | Peru (Tumbes) | Arca septifera, Arca nelsoni, Arca toroensis (59000) Arca septifera, Arca obesiformis, Arca imporcata, Arca crescens, Arca nelsoni, Arca toroensis (58999) | |
| Burdigalian | Colombia (La Guajira) | Anadara chiriquiensis (156752 156753 156845 158214) | |
| Burdigalian | Panama | Anadara balboai (42611 42612 42614 42620 42623 49493 93042) Anadara chiriquensis (42615) Anadara chiriquiensis (42621) | |
| Burdigalian - Langhian | Colombia | Arca chiriquensis (97678) | |
| Middle Miocene | Haiti | Anadara chiriquensis (92454 96508) | |
| Middle Miocene | Venezuela | Anadara chiriquensis (96487) | |
| Middle Miocene | Colombia (Bolivar) | Scapharca chiriquiensis (60687) | |
| Middle Miocene | Ecuador (Manabi) | Anadara chiriquiensis (60754) | |
| Middle Miocene | Trinidad and Tobago | Anadara waringi (96521 96522) | |
| Tortonian | Panama (Darien) | Anadara dolaticostata (131199) | |
| Late/Upper Miocene | Colombia | Anadara chiriquiensis (131219 131220) Arca patricia (88297) Arca patricia, Arca usiacurii (88296) | |
| Late/Upper Miocene | Colombia (Bolívar) | Arca patricia (88308) | |
| Messinian | Dominican Republic | Anadara sp. (75042) | |
| Messinian - Zanclean | Dominican Republic | Anadara sp. (75038) | |
| Early/Lower Pliocene | Colombia (Atlántico) | Arca usiacurii (88309) | |
| Early/Lower Pliocene | Dominican Republic | Scapharca patricia (58874) | |
| Early/Lower Pliocene | Colombia | Arca chiriquiensis (133224 133225 133228) Arca patricia (88293) Arca usiacurii (133233) | |
| Zanclean | Dominican Republic | Anadara sp. (74965) |