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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Kujanorthis anderkensis
Taxonomy
Kujanorthis anderkensis was named by Nikitina et al. (2006). Its type specimen is USNM 485050, a valve (dorsal internal mould), and it is a 3D body fossil. Its type locality is Locality 209. Kurzhaksai section, which is in an Abereiddian open shallow subtidal limestone/sandstone in the Uzunbulak Formation of Kazakhstan. It is the type species of Kujanorthis.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Kujanorthis anderkensis Nikitina et al. p. 204 figs. 32.25; 35.12–20 |
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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.
†Kujanorthis anderkensis Nikitina et al. 2006
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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. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Abereiddian or 468.00000 to 461.10000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Abereiddian | Kazakhstan | Kujanorthis anderkensis (165488 165557 type locality: 165558 165593 165595 165596 165597) |