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Cyclonema mediale
Taxonomy
Cyclonema mediale was named by Ulrich and Scofield (1897) [Cyclonema mediale Ulrich in Ulrich & Scofield 1897]. It is not extant.
Synonymy list
Year | Name and author |
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1897 | Cyclonema mediale Ulrich and Scofield |
1932 | Cyclonema mediale Bassler p. 228 figs. pl. 23 f. 16-17 |
1970 | Cyclonema mediale Thompson pp. 247 - 248 figs. pl. 33 f. 1-4 |
2023 | Cyclonema mediale Wagner p. 593 |
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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.
†Cyclonema mediale Ulrich and Scofield 1897
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, superf = superfamily, c = class | |||||
References: Batten 1984, Kiessling 2004, Wagner 2023, Knight et al. 1960 |
Age range: Maysvillian or 450.20000 to 449.60000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Maysvillian | USA (Tennessee) | Cyclonema mediale (5374) |