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Holocystites cylindricus
Taxonomy
Caryocystites cylindricum was named by Hall (1861).
It was recombined as Holocystites (Holocystites) cylindricus by Frest et al. (2011); it was recombined as Holocystites cylindricus by Hall (1864), Bassler and Moodey (1943), Sheffield and Sumrall (2019).
It was recombined as Holocystites (Holocystites) cylindricus by Frest et al. (2011); it was recombined as Holocystites cylindricus by Hall (1864), Bassler and Moodey (1943), Sheffield and Sumrall (2019).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Caryocystites cylindricum Hall p. 23 |
| 1864 | Holocystites cylindricus Hall figs. pl. 1, figs. 7, 8, pi. 3, figs. 4-6 |
| 1943 | Holocystites cylindricus Bassler and Moodey p. 168 |
| 2011 | Holocystites (Holocystites) cylindricus Frest et al. p. 72 figs. Text-figs 16A, 27; Pl. 1, Fig. 5; Pl. 5, Figs 4-9 |
| 2019 | Holocystites cylindricus Sheffield and Sumrall |
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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.
†Holocystites cylindricus Hall 1861
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. J. Frest et al. 2011 | Holocystites (Holocystites) with cylindrical theca and plates of one generation. |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Aberhan 1992, Bambach et al. 2007 | |||||