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Machaeraria formosa
Taxonomy
Rhynchonella formosa was named by Hall (1859). It is the type species of Machaeraria.
It was recombined as Rhynchotrema formosum by Schuchert (1897); it was recombined as Machaeraria formosa by Cooper (1955).
It was recombined as Rhynchotrema formosum by Schuchert (1897); it was recombined as Machaeraria formosa by Cooper (1955).
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.
†Machaeraria formosa Hall 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Lochkovian to the top of the Pragian or 419.20000 to 407.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Australia (New South Wales) | Machaeraria formosa (24900 24907) | |
| Lochkovian | China (Guangxi) | Machaeraria formosa (12923) | |
| Lochkovian | USA (New York) | Rhynchonella formosa (83111 83113 83115) | |
| Pragian | China (Guangxi) | Machaeraria formosa (12930) |