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Barnea (Anchomasa) saulae
Taxonomy
Barnea (Anchomasa) saulae was named by Kennedy (1993). Its type specimen is LACMIP 8403, a valve (the greater part of an isolated right valve in matrix), and it is a 3D body fossil. Its type locality is CIT loc. 1007, Oak Run, which is in a Coniacian coastal siliciclastic in the Redding Formation of California.
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Barnea (Anchomasa) saulae Kennedy p. 397 figs. Figure 2.1, 2.2 |
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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.
†Barnea (Anchomasa) saulae Kennedy 1993
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. L. Kennedy 1993 | Shells thin, fragile, moderately small for subge- nus, reaching 5 cm in length and 2 cm in height, elongate, not truncate; anterior pedal gape approximately one-third of overall length; external sculpture formed by intersecting concentric ridg- es and radial ribs, slightly clathrate; radial ribs most prominent on central part of disc, present posteriorly as far as break between disc and posterior slope; sculpture evident on interior of shell due to its thinness. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: Coniacian or 89.80000 to 85.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Coniacian | USA (California) | Barnea saulae (type locality: 72037) | |
| Coniacian - Santonian | USA (California) | Barnea saulae (200459) |