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Pleurocystites beckeri
Taxonomy
Pleurocystites beckeri was named by Foerste (1924) [in Slocum and Foerste 1924].
Synonyms
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Synonymy list
Year | Name and author |
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1924 | Pleurocystites beckeri Foerste pp. 359-362 figs. pI. 31, fi g. IZ ; pI. 33, figs. 1,6; pI. H, figs. 1 a-d. |
1924 | Pleurocystites slocumi Foerste pp. 362-363 figs. f. 5; pl. 34 f. 5a-d |
1924 | Pleurocystites clermontensis Foerste pp. 363-365 figs. pl. 33 f. 7; pl. 34 f. 7a-d |
1924 | Pleurocystites multistriatus Ulrich and Kirk pp. 366 - 369 figs. pl. 33 f. 2-3; pl. 34 f. 2a-c |
1970 | Pleurocystites beckeri Parsley pp. 178 - 182 figs. PI. 26, fi g. 4; PI. 27, figs. 1-7; Text-fig. 6 |
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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.
†Pleurocystites beckeri Foerste 1924
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Invalid names: Pleurocystites clermontensis Foerste 1924 [synonym], Pleurocystites multistriatus Ulrich and Kirk 1924 [synonym], Pleurocystites slocumi Foerste 1924 [synonym]
Diagnosis
Reference | Diagnosis | |
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R. L. Parsley 1970 | Theca with markedly angulate shoulders; periproctial area large; distal thecal plates reduced in si ze; R4 and R5 fused, three well.developed pectinirhombs; rims on LI and L4 halfrhombs elonga ted and terminate at shoulder angle. |
Measurements
No measurements are available
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Source: o = order, p = phylum | |||||
References: Aberhan et al. 2004, Aberhan 1992 |
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Richmondian | USA (Iowa) | Pleurocystites beckeri (13200 197197) |