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Macoma (Macoploma)
Taxonomy
Macoma (Macoploma) was named by Pilsbry and Olsson (1941) [Sepkoski's age data: T Plio R]. It is extant.
It was reranked as Macoploma by Sepkoski (2002).
It was assigned to Veneroida by Sepkoski (2002); and to Macoma by Pilsbry and Olsson (1941), Moore (2003).
It was reranked as Macoploma by Sepkoski (2002).
It was assigned to Veneroida by Sepkoski (2002); and to Macoma by Pilsbry and Olsson (1941), Moore (2003).
Subtaxa
Species lacking formal opinion data
Macoma holmesii, Macoma lissonii, Macoma middendorffii, Macoma nasuta, Macoma nipponica, Macoma nipponica, Macoma optiva, Macoma parabilella, Macoma planiuscula, Macoma pseudomera, Macoma scarlotoi, Macoma sectior, Macoma sejugata, Macoma simiensis, Macoma tokyoense, Macoma tokyoensis, Macoma yoldiiformis
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. Macoma (Macoploma) Pilsbry and Olsson 1941
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Macoploma acolasta Dall 1921 [morsel macoma]
Macoploma yoldiformis Carpenter 1864 [yoldia macoma]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Gelasian to the top of the Late/Upper Pleistocene or 2.58000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 1.8 Ma
Minimum age of oldest fossil (stem group age): 1.8 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gelasian | USA (California) | Macoma yoldiformis (189767) | |
| Pleistocene | USA (California) | Macoma yoldiformis (237610) | |
| Middle Pleistocene | USA (California) | Macoma yoldiformis (222663) | |
| Late/Upper Pleistocene | USA (California) | Macoma acolasta (240592) Macoma acolasta, Macoma yoldiformis (96589 240580) Macoma yoldiformis (59063 96566 222662 240586) | |
| Late/Upper Pleistocene | Mexico | Macoma acolasta (67645) |