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Uperocrinus kuesi
Taxonomy
Uperocrinus kuesi was named by Rhenberg and Kammer (2013). It is not extant. Its type specimen is UMMP 74071, a calyx.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Uperocrinus kuesi Rhenberg and Kammer |
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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.
†Uperocrinus kuesi Rhenberg and Kammer 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. C. Rhenberg and T. W. Kammer 2013 | Diagnosis.—Calyx plates nodose; tegmen lower than calyx.
Description.—Calyx expanding with concave sides. Arms moderately grouped. Calyx plates either nodose or smooth. Basal circlet is 16 percent of calyx height and composed of three large, equal plates that are trilobate. Radial circlet is 30 percent of the calyx height. Radials are hexagonal or heptagonal, wider than long, with a prominent node in the center. Tegmen low arched, slightly lobed between rays. Composed of many large, convex plates. Anal tube eccentric. Primanal hexagonal; higher and narrow than radials. Primanal followed by 3, 2, 1 plates. Interrays in contact with tegmen. First interradial hexagonal, large, and followed by 2 plates. First primibrachial hexagonal, wider than high. Second primibrachial axillary. Both have a central node. First secundibrachial hexagonal, second axillary, both with a central node. Each axillary secundibrachial supports two tertibrachials. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||