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Agaricocrinus alamogordoensis
Taxonomy
Agaricocrinus alamogordoensis was named by Rhenberg and Kammer (2013). It is not extant. Its type specimen is UMMP 74072, a calyx.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Agaricocrinus alamogordoensis 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.
†Agaricocrinus alamogordoensis Rhenberg and Kammer 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. C. Rhenberg and T. W. Kammer 2013 | Diagnosis.—Calyx low cone; tegmen high cone, same height as calyx.
Description.—Calyx small, low cone, convex. Basals small, three, equal, form a concavity, edges visible in side view. Radials medium, hexagonal, wider than high with prominent node in center. Tegmen higher than calyx. Composed of several medium convex to nodose plates. CD oral largest plate, spinose. Primanal hexagonal, higher and narrower than radials, followed by three rows of three plates before the anal opening, which is on the side of the tegmen. First primibrachial hexagonal, wider than high. Second primibrachial axillary, supporting secundibrachials, which support one arm facet each. Arms and column unknown. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Aberhan et al. 2004 | |||||