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Taxonomy
Amphidesma aequalis was named by Say (1822) [DISTRIBUTION: Holocene-Recent; Western Atlantic.]. It is extant.
It was recombined as Abra aequalis by Holmes (1858), da Silva Forti (1969), Hendy et al. (2008).
It was recombined as Abra aequalis by Holmes (1858), da Silva Forti (1969), Hendy et al. (2008).
Sister species lacking formal opinion data
A. cylicion, A. deutera, A. deuterea, A. digitaria, A. elegans, A. lapochi, A. lehmanni, A. lioica, A. longicalla, A. nitida, A. ovata, A. pectorosa, A. pellucida, A. prisma, A. pusilla, A. reflexa, A. segmentum, A. subreflexa, A. subreflexa, A. tellinoides, A. sorgenfreii, A. berchemensis, A. bojei, A. bosqueti, A. deutera, A. perovata, A. sorgenfreii, A. hakushatonensis, A. alba
Synonymy list
| Year | Name and author |
|---|---|
| 1822 | Amphidesma aequalis Say p. 307 |
| 1858 | Abra aequalis Holmes |
| 1969 | Abra aequalis da Silva Forti p. 94 |
| 2008 | Abra aequalis Hendy et al. |
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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.
Abra aequalis Say 1822
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Pliocene to the top of the Holocene or 5.33300 to 0.00000 Ma
Collections (71 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | Trinidad and Tobago | Abra aequalis (60409 60410 60411 60644 60646 60647 60649 60650 60654 60655 60659) | |
| Early/Lower Pliocene - Late/Upper Pliocene | USA (North Carolina) | Abra aequalis (59329 59330) | |
| Late/Upper Pliocene | USA (Florida) | Abra aequalis (59484 59486) | |
| Late/Upper Pliocene | USA (North Carolina) | Abra aequalis (58893 58895 59307 59309 59310) | |
| Gelasian | USA (North Carolina) | Abra aequalis (71138) | |
| Early/Lower Pleistocene | USA (North Carolina) | Abra aequalis (58897 59315 59316 59317 60986 60987 60988 60989 80033) | |
| Early/Lower Pleistocene | USA (Florida) | Abra aequalis (41501 61309 75005 79331) | |
| Early/Lower Pleistocene | Panama | Abra aequalis (80304) | |
| Early/Lower Pleistocene (interglacial) | USA (North Carolina) | Abra aequalis (211182 211183) | |
| Pleistocene | USA (South Carolina) | Abra aequalis (80083) | |
| Pleistocene | USA (North Carolina) | Abra aequalis (59313) | |
| Pleistocene | USA (Virginia) | Abra aequalis (7108) | |
| Calabrian | USA (Florida) | Abra aequalis (41705) | |
| Middle Pleistocene | USA (Florida) | Abra aequalis (67069 80046) | |
| Late/Upper Pleistocene | USA (Florida) | Abra aequalis (41740 69034 96538) | |
| Late/Upper Pleistocene | USA (Virginia) | Abra aequalis (57704 57705) | |
| Late/Upper Pleistocene | USA (North Carolina) | Abra aequalis (66751 66752 69045) | |
| Late/Upper Pleistocene | USA (South Carolina) | Abra aequalis (60927 60928 66760 69046 79956 79957) | |
| Late/Upper Pleistocene (interglacial) | USA (Georgia) | Abra aequalis (20604 20606) | |
| Holocene | USA (New York) | Abra aequalis (66382) | |
| Holocene | Brazil | Abra aequalis (72121 72122) | |
| Holocene | USA (Mississippi) | Abra aequalis (92522 92524 92525) | |
| Holocene | USA (Louisiana) | Abra aequalis (41935 41936 41940 92774 92775 92776) |