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Cyclonema humerosum
Taxonomy
Cyclonema humerosum was named by Ulrich and Scofield (1897) [Cyclonema humerosum Ulrich in Ulrich & Scofield 1897]. It is not extant.
Synonymy list
Year | Name and author |
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1897 | Cyclonema humerosum Ulrich and Scofield |
1908 | Cyclonema humerosum Cumings p. 960 figs. pl. 40 f. 5a-c |
1970 | Cyclonema humerosum Thompson pp. 244 - 245 figs. pl. 32 f. 10-13 |
2023 | Cyclonema humerosum Wagner p. 4133 |
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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 humerosum 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: Knight et al. 1960, Wagner 2023, Kiessling 2004, Batten 1984 |
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Richmondian | USA (Ohio) | Cyclonema humerosum (5326) |