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Macoma (Heteromacoma)
Taxonomy
Heteromacoma was named by Habe (1952) [Sepkoski's age data: T Ol-u R Sepkoski's reference number: 1112]. It is extant.
It was reranked as Macoma (Heteromacoma) by Coan et al. (2000).
It was assigned to Tellinidae by Addicott (1973); to Macoma by Coan et al. (2000); and to Veneroida by Sepkoski (2002).
It was reranked as Macoma (Heteromacoma) by Coan et al. (2000).
It was assigned to Tellinidae by Addicott (1973); to Macoma by Coan et al. (2000); and to Veneroida by Sepkoski (2002).
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
| Year | Name and author |
|---|---|
| 1952 | Heteromacoma Habe |
| 1973 | Heteromacoma Addicott p. 346 |
| 2000 | Macoma (Heteromacoma) Coan et al. p. 419 |
| 2002 | Heteromacoma 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.
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 Priabonian to the top of the Holocene or 37.71000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | USA (Oregon) | Macoma vancouverensis (38938 38940 38984 38985 38987 38988 38989 38992 38993 39003 39021) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Macoma irus (223009) | |
| Late/Upper Pleistocene | USA (California) | Macoma irus (160361) | |
| Holocene | Japan (Akita) | Heteromacoma yataiensis (56380) |