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Sexta
Taxonomy
Sexta was named by Stephenson (1953) [Sepkoski's age data: K Ceno]. It is not extant.
It was assigned to Mactromyidae by Cox et al. (1969) and Vokes (1980); and to Veneroida by Sepkoski (2002).
It was assigned to Mactromyidae by Cox et al. (1969) and Vokes (1980); and to Veneroida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Sexta Stephenson |
| 1969 | Sexta Cox et al. p. 512 |
| 1980 | Sexta Vokes p. 106 |
| 2002 | Sexta 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.
G. †Sexta Stephenson 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Cenomanian or 99.60000 to 93.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (Texas) | S. ethelana (6597) S. navicula (4648 6604 6606 6614) | |
| Late/Upper Cenomanian | USA (Utah) | S. navicula (44164) |