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Crotalocrinites borealis
Taxonomy
Pentagonocyclicus borealis was named by Yeltyschewa (1955).
It was recombined as Pentagonopentagonalis borealis by Stukalina (1982); it was recombined as Crotalocrinites borealis by Webster and Webster (2012).
It was recombined as Pentagonopentagonalis borealis by Stukalina (1982); it was recombined as Crotalocrinites borealis by Webster and Webster (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Pentagonocyclicus borealis Yeltyschewa p. 46 figs. Pl. 54, fig. 3. Yeltyschewa, 1960, p. 21, Pl. 4, fig. 8 |
| 1982 | Pentagonopentagonalis borealis Stukalina p. 148 |
| 2012 | Crotalocrinites borealis Webster and Webster p. 2343 |
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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.
†Crotalocrinites borealis Yeltyschewa 1955
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Diagnosis
No diagnoses are available