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Taxonomy
Eontia was named by MacNeil (1937) [Sepkoski's age data: T Mi-l-l R]. It is extant.
It was reranked as Noetia (Eontia) by Reinhart (1943), Richards (1962), da Silva Forti (1969).
It was assigned to Noetia by Reinhart (1943), Richards (1962), da Silva Forti (1969); to Noetiidae by Todd (2001); and to Arcoida by Sepkoski (2002).
It was reranked as Noetia (Eontia) by Reinhart (1943), Richards (1962), da Silva Forti (1969).
It was assigned to Noetia by Reinhart (1943), Richards (1962), da Silva Forti (1969); to Noetiidae by Todd (2001); and to Arcoida by Sepkoski (2002).
Species lacking formal opinion data
Arca retractata, Arca veatchi, Eontia incile, Eontia palmeri, Eontia playtyura, Eontia variabilis, Fossularca pectenculiformis, Fossularca pectunculiformis, Noetia carolinensis, Noetia dauleana, Noetia ecuadoria, Noetia limula, Noetia limula, Noetia macneili, Noetia platyura, Noetia platyura, Noetia playura, Noetia ponderosa, Noetia reversa, Noetia reversa, Noetia reversa, Noetia trigintinaria, Noetia trinitaria
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Eontia MacNeil |
| 1943 | Noetia (Eontia) Reinhart p. 77 |
| 1962 | Noetia (Eontia) Richards p. 54 |
| 1969 | Noetia (Eontia) da Silva Forti p. 69 |
| 2001 | Eontia Todd |
| 2002 | Eontia Sepkoski |
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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. Noetia (Eontia) MacNeil 1937
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†Eontia palmerae MacNeil 1938
Eontia ponderosa Say 1822
Noetia (Eontia) olssoni Sheldon and Maury in Maury 1922
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range
Maximum range based only on fossils: base of the Serravallian to the top of the Holocene or 13.82000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Collections (51 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian | USA (Florida) | Eontia incile (94810) | |
| Zanclean | Panama (Bocas del Toro) | Eontia sp. (79777) | |
| Pliocene | Ecuador (Manabi) | Noetia olssoni (51885) | |
| Pliocene - Pleistocene | USA (Florida) | Noetia ponderosa (41749) | |
| Late/Upper Pliocene | Colombia (La Guajira) | Noetia ponderosa (136994) | |
| Piacenzian | Panama (Bocas del Toro) | Eontia sp. (61339) | |
| Early/Lower Pleistocene | USA (Florida) | Eontia variabilis (75004) Noetia ponderosa (61309 79788) | |
| Pleistocene | USA (New Jersey) | Eontia palmerae (66626) Noetia ponderosa (66614 66621 66622) | |
| Middle Pleistocene | USA (Florida) | Eontia playtyura (67069) Noetia platyura (35031) Noetia ponderosa (61310) | |
| Late/Upper Pleistocene | USA (Florida) | Noetia ponderosa (41715 61311 79731 96538) | |
| Late/Upper Pleistocene | USA (South Carolina) | Arca ponderosa (92406) Noetia ponderosa (60930 66755 66758 66760 79956) | |
| Late/Upper Pleistocene | USA (Georgia) | Noetia ponderosa (66724 66725) | |
| Late/Upper Pleistocene | USA (North Carolina) | Noetia ponderosa (66742 66744 66747 66748 66749 66750 66751 66754 66763) | |
| Late/Upper Pleistocene (interglacial) | USA (Georgia) | Noetia ponderosa (20604 20606) | |
| Late/Upper Pleistocene | USA (Massachusetts) | Arca ponderosa (61268) Noetia ponderosa (61269) | |
| Late/Upper Pleistocene | USA (Virginia) | Noetia ponderosa (57702 57705 57706 80132) | |
| Late/Upper Pleistocene | USA (Maryland) | Eontia palmerae, Noetia ponderosa (66721) Noetia ponderosa (66706 66720) | |
| Late/Upper Pleistocene (interglacial) | USA (New York) | Eontia palmeri (81751) | |
| Holocene | USA (Louisiana) | Noetia ponderosa (41935 92776) |