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Calamites (Mesocalamites)
Taxonomy
Mesocalamites was named by Hirmer (1927). It is not extant. It is considered to be a form taxon.
It was reranked as Calamites (Mesocalamites) by Tidwell et al. (1992).
It was assigned to Calamitaceae by Andrews (1970); and to Calamites by Tidwell et al. (1992).
It was reranked as Calamites (Mesocalamites) by Tidwell et al. (1992).
It was assigned to Calamitaceae by Andrews (1970); and to Calamites by Tidwell et al. (1992).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Mesocalamites Hirmer |
| 1970 | Mesocalamites Andrews |
| 1992 | Calamites (Mesocalamites) Tidwell et al. p. 1018 |
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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.
Subg. †Calamites (Mesocalamites) Hirmer 1927
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†Mesocalamites roemeri Goeppert 1850
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Mississippian to the top of the Kungurian or 330.90000 to 272.30000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mississippian | USA (Utah) | Calamites cistiiformis, Calamites hesperius (11209) | |
| Mississippian | USA (Illinois) | Mesocalamites cistiiformis (13511) | |
| Mississippian | USA (West Virginia) | Mesocalamites sp. (13015 13016) Mesocalamites sp., Mesocalamites cistii, Mesocalamites suckowii (12694) | |
| Late/Upper Mississippian - Early/Lower Pennsylvanian | USA (Arizona) | Calamites cistiiformis (92398) | |
| Pennsylvanian | USA (Illinois) | Mesocalamites sp. (13357 13358) | |
| Artinskian - Kungurian | China (Henan) | Mesocalamites sp. 1 (29901) |