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Kujanorthis
Taxonomy
Kujanorthis was named by Nikitina et al. (2006). Its type is Kujanorthis anderkensis.
It was assigned to Plectorthinae by Nikitina et al. (2006).
It was assigned to Plectorthinae by Nikitina et al. (2006).
Species
K. anderkensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Kujanorthis Nikitina et al. pp. 203 - 204 |
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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.
G. †Kujanorthis Nikitina et al. 2006
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†Kujanorthis anderkensis Nikitina et al. 2006
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. I. Nikitina et al. 2006 | Shell strongly dorsibiconvex with uniplicate anterior commissure; deep ventral sulcus and dorsal median fold originating posterior to mid-valve; radial ornament multicostellate, coarser on fold and sulcus than on flanks; ventral muscle field short, on pseudospondilium, dental plates short, widely divergent; ventral mantle canals lemniscate; dorsal interior with simple blade-like cardinal process on high, narrow notothyrial platform; high brachiophores with fulcral plates and short bases convergent towards notothyrial platform; low median ridge bisecting adductor muscle field containing larger scars of posterior adductors. |