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Marginifera (Arenaria) arenaria
Taxonomy
Marginifera arenaria was named by Grant (1976). Its type specimen is USNM 212223, a shell (Articulated shell), and it is not a trace fossil. It is the type species of Marginifera (Arenaria).
It was recombined as Marginifera (Arenaria) arenaria by Chen and Shi (2006).
It was recombined as Marginifera (Arenaria) arenaria by Chen and Shi (2006).
Synonymy list
Year | Name and author |
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1976 | Marginifera arenaria Grant pp. 109-110 figs. Pl 24, figs 1-34 |
2006 | Marginifera (Arenaria) arenaria Chen and Shi p. 143 figs. Pl 3, figs 6-27 |
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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.
†Marginifera (Arenaria) arenaria Grant 1976
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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valve height | 4 | 13.2 | 12.1 | 14.0 | 13.4 | 0.821 |
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Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 268.80000 Ma
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Artinskian | China (Xinjiang) | Marginifera arenaria (62718 62815 62816 62818 62819 62820 62827 62828) | |
Kungurian | China (Xinjiang) | Marginifera arenaria (62740 62745 62747 62749 62753 62754) | |
Roadian | Thailand (Kanchanaburi) | Marginifera arenaria (40855 40856 40858) |