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Propeamussium (Parvamussium) robinsonense
Taxonomy
Propeamussium (Parvamussium) robinsonense was named by Sundberg (1989). Its type specimen is LACMIP 7222, a valve, and it is a 3D body fossil. Its type locality is UCLA loc. 7074, Plano Trabuco, Santa Ana Mountains, which is in a Santonian marine horizon in the Ladd Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Propeamussium (Parvamussium) robinsonense Sundberg p. 59 figs. Figures 6, 7 |
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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.
†Propeamussium (Parvamussium) robinsonense Sundberg 1989
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Middle Santonian or 85.70000 to 83.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Santonian | USA (California) | Propeamussium robinsonense (207409 type locality: 207415) |