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Taxonomy
Paradonax was named as a genus. It is extant.
It was reranked as Donax (Paradonax) by Moore (2003) and Mandic and Steininger (2003).
It was assigned to Donacidae by Olsson (1931); to Veneroida by Sepkoski (2002); and to Donax by Moore (2003) and Mandic and Steininger (2003).
It was reranked as Donax (Paradonax) by Moore (2003) and Mandic and Steininger (2003).
It was assigned to Donacidae by Olsson (1931); to Veneroida by Sepkoski (2002); and to Donax by Moore (2003) and Mandic and Steininger (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Paradonax Olsson p. 66 |
| 2002 | Paradonax Sepkoski |
| 2003 | Donax (Paradonax) Mandic and Steininger p. 278 |
| 2003 | Donax (Paradonax) Moore |
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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. Donax (Paradonax)
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†Donax (Paradonax) aldrichi Gardner 1947
Donax (Paradonax) californicus Conrad 1837
Donax (Paradonax) gracilis Hanley 1845
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Invalid names: Donax punaensis Pilsbry and Olsson 1941 [synonym]
†Paradonax petersoni Olsson 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Aquitanian to the top of the Late/Upper Pleistocene or 23.03000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian | France (Aquitaine) | Donax transversa (74865) | |
| Burdigalian | USA (Florida) | Donax aldrichi (42482) | |
| Middle Miocene | Poland | Donax intermedia (51690 51691) | |
| Serravallian | USA (Florida) | Donax valhosierr (42886) | |
| Pliocene | Ecuador | Donax punaensis (97638) | |
| Late/Upper Pliocene | Jamaica | Donax lennoxi (58522) | |
| Middle Pleistocene | USA (California) | Donax californica (138723 222663 222664) Donax californicus (71053) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Donax californicus (222646) | |
| Late/Upper Pleistocene | USA (California) | Donax californica (96589 222660) Donax californicus (59063 96895 96930 96936 96937 96938 96939 160361 219029 219030 222674) | |
| Late/Upper Pleistocene | Mexico (Sonora) | Donax gracilis (44963 96562) | |
| Late/Upper Pleistocene - Holocene | Panama (Panama) | Donax gracilis (160395) |