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Collicrinus laudoni
Taxonomy
Collicrinus laudoni was named by Rhenberg and Kammer (2013). It is not extant. Its type specimen is UMMP 74073, a calyx.
Synonymy list
Year | Name and author |
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2013 | Collicrinus laudoni 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.
†Collicrinus laudoni Rhenberg and Kammer 2013
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Diagnosis
Reference | Diagnosis | |
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E. C. Rhenberg and T. W. Kammer 2013 | Diagnosis.—Calyx plates smooth; tegmen lower than calyx; anal tube on margin, projects obliquely upward.
Description.—Aboral cup flat bowl, plates smooth. Basal circlet flat, visible in lateral view. Radial circlet 85 percent of calyx height. Radial plates five, as wide as high and smooth. Radial facet 80 percent width of distal radial width. Tegmen lower than calyx; low inverted bowl, composed of large nodose plates. Orals largest plates and other tegmen plates slightly smaller. Primanal large. Plates surrounding primanal indistinguishable, but anal tube starts immediately above primanal. Primibrachial large, axillary. Other aspects of arms and column unknown. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum | |||||
References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 |