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Equisetum columnare
Discussion
Proposed to be conserved with this holotype against its senior (nomenclatural) taxonomic synonym, Oncylogonatum carbonarium Koenig (1827), by Doweld (in Taxon 62: 837. 2013).
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Taxonomy
Equisetum columnare was named by Brongniart (1828). Its type specimen is Great Britain, Yorkshire; High Whitby, Jurassic (Lower Bajocian) (Mus. Natl. d’Hist. Nat. Paris: MNHN.F.81)., a stem, and it is an impression.
Sister species lacking formal opinion data
E. alexanderi, E. aquatile, E. arenaceum, E. beani, E. beanii, E. boreale, E. brongniartii, E. bryanii, E. burchardtii, E. duvalli, E. exsertum, E. haukeanum, E. laterale, E. lusitanicum, E. mamertinus, E. miocenicum, E. modderdriftense, E. mougeotii, E. mytharum, E. octangulatum, E. pellati, E. remotum, E. sarthensis, E. simenense, E. strigatum, E. winchesteri
Synonymy list
| Year | Name and author |
|---|---|
| 1828 | Equisetum columnare Brongniart p. 115 figs. Brongniart, Hist. Vég. Foss. 1: t. 13, fig. 2, 4. 17 Mar 1828. |
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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.
†Equisetum columnare Brongniart 1828
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Toarcian to the top of the Late/Upper Bajocian or 184.20000 to 168.20000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jurassic | Egypt (Sinaï) | Equisetum columnare (31297) | |
| Toarcian | Montenegro | Equisetum columnare (24567) | |
| Aalenian | United Kingdom | Equisetum columnare (35120 35121) | |
| Early/Lower Aalenian - Middle Aalenian | United Kingdom (England) | Equisetum columnare (24235) | |
| Middle Aalenian - Late/Upper Aalenian | United Kingdom (England) | Equisetum columnare (24262) | |
| Bajocian | United Kingdom (England) | Equisetum columnare (21106 21107 21110 24275 24276 24277 24278 24279 24280 24281 24282 24283 24284 24327 24329 24331 24332 24333 24335 24337 24339 24340 24341 24342 24344 24345 24346) | |
| Early/Lower Bajocian - Late/Upper Bajocian | United Kingdom (England) | Equisetum columnare (24263 24264) | |
| Bajocian - Middle Jurassic | United Kingdom (England) | Equisetum columnare (24212) |