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Paralenorthis estenaensis
Taxonomy
Paralenorthis estenaensis was named by Reyes-Abril et al. (2010). Its type specimen is MGM−6068−O, a valve (internal mould of ventral valve), and it is a 3D body fossil. Its type locality is NE-IIIA. 5600 m SE of Navas de Estena, which is in a Dobrotivian marine slate in the Navas de Estena Formation of Spain.
Synonymy list
Year | Name and author |
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2010 | Paralenorthis estenaensis Reyes-Abril et al. pp. 296 - 298 fig. 7 |
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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.
†Paralenorthis estenaensis Reyes-Abril et al. 2010
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Diagnosis
Reference | Diagnosis | |
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J. Reyes-Abril et al. 2010 | Paralenorthis species of subquadrangular outline, with acute cardinal angles in young stages, changing to rectangular to slightly obtuse in adult stages; ventral valve strongly convex, radial ornamentation costate with high ribs, numbering 26–38; bilobed ventral muscle field, deeply im− pressed, extending forward 28–44% of valve length; strong notothyrial platform with thick, ridge−like cardinal process, flanked by slender notothyrial ridges. |