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Kopella
Taxonomy
Kopella was named by Nikitina et al. (2006). Its type is Kopella incerta.
It was assigned to Chilidiopsinae by Nikitina et al. (2006).
It was assigned to Chilidiopsinae by Nikitina et al. (2006).
Species
K. incerta (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Kopella Nikitina et al. p. 190 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. I. Nikitina et al. 2006 | Shell convexiconcave to resupinate, impunctate; anterior commissure weakly uniplicate. Ventral valve with a high apsacline to catacline interarea bearing a large pseudodeltidium perforated apically and bordered by a perideltidium. Dorsal valve moderately convex with a low anacline interarea; notothyrium covered by chilidium. Radial ornament multicostellate. Ventral interior with short, stout teeth supported by short, widely divergent dental plates. Ventral muscle field large with diductor scars extending well beyond but not enclosing the narrow, subtriangular adductor scar. Dorsal interior with high, wide notothyrial platform, not supported by a septum. Cardinal process bilobed with closely set lobes. Socket plates wide, close to subparallel to the hinge line. Dorsal adductor scars weakly impressed, strongly elongated, arranged radially. |