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Ctenocystis utahensis
Taxonomy
Ctenocystis utahensis was named by Robison and Sprinkle (1969). It is not extant. It is the type species of Ctenocystis.
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Ctenocystis utahensis Robison and Sprinkle |
| 2009 | Ctenocystis utahensis Rahman and Clausen p. 415 figs. 2-4 |
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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.
†Ctenocystis utahensis Robison and Sprinkle 1969
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. A. Rahman and S. Clausen 2009 | A ctenocystoid with a relatively long anterior process on M1VL/R; the anterolateral surfaces of M1VL/R are smooth and oblique in ventral view. The suroral plate is trapezoidal and greatest in width at the anterior of the plate body. The suboral plates are relatively short, extending just posterior of the inner processes ofM1VL/R; the posterior portions of the suboral plates are flattened. The dorsal and ventral marginal plates are approximately equal in width. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Rahman and Clausen 2009 | |||||