| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Mactra subponderosa was named by d'Orbigny (1852).
It was recombined as Spisula (Hemimactra) subponderosa by Glenn (1904); it was recombined as Mactrodesma subponderosa by Ward (1992).
It was recombined as Spisula (Hemimactra) subponderosa by Glenn (1904); it was recombined as Mactrodesma subponderosa by Ward (1992).
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.
†Mactrodesma subponderosa d'Orbigny 1852
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range: base of the Serravallian to the top of the Tortonian or 13.82000 to 7.24600 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian | USA (Maryland) | Spisula subponderosa (79108) | |
| Tortonian | USA (Maryland) | Mactrodesma subponderosa (70853 71636) | |
| Tortonian | USA (Virginia) | Mactrodesma subponderosa (71632) | |
| Late/Upper Miocene | USA (Maryland) | Mactrodesma subponderosa (51722 51727 59303 59304 59305 68978 69016 69032) |