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Taxonomic Group

Oligochaeta

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Case 3689: Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): proposed precedence over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913

Schmelz, R. M., Collado, R, Römbke, J, “Case 3689: Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): proposed precedence over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913”, Bulletin of Zoological Nomenclature, vol. 72, no. 3, pp. , 2015.

The purpose of this application, under Articles 23.2 and 23.9.3 of the Code, is to conserve the usage of the genus-group name  Cognettia  Nielsen & Christensen, 1959 (Enchytraeidae, Oligochaeta, Annelida) for a genus of annelid worms (type species  Pachydrilus sphagnetorum  Vejdovský, 1878 (‘1877’)).  Cognettia,  a name for a Holarctic genus of....

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Opinion 2423: Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): conditional precedence given over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913

ICZN, “Opinion 2423: Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): conditional precedence given over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913”, Bulletin of Zoological Nomenclature, vol. 75, pp. , 2018.

The International Commission on Zoological Nomenclature has conserved the annelid generic name Cognettia Nielsen & Christensen, 1959 by giving it precedence over two senior subjective synonyms, Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913.

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