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A blind abyssal Corambidae (Mollusca, Nudibranchia) from the Norwegian Sea, with a reevaluation of the systematics of the family
Valdés, Á. (1998). A blind abyssal Corambidae (Mollusca, Nudibranchia) from the Norwegian Sea, with a reevaluation of the systematics of the family. Sarsia 83: 15-20
In: Sarsia. University of Bergen. Universitetsforlaget: Bergen. ISSN 0036-4827, more
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Keyword
    Marine

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  • Valdés, Á.

Abstract
    Echinocorambe brattegardi gen. et sp. nov. is described based on five eyeless specimens collected between 2538 and 3016 m depth in the Norwegian Sea. This new monotypic genus differs from other confamilial taxa in having the dorsum covered with long papillae and a radula formula n.3.1.3.n. The posterior notch in the notum and gill morphology, which have traditionally been used as generic characters in the family Corambidae, are considered to have little or no taxonomical value above species level. Instead of the currently described 11 nominal genera, we recognize as valid only Corambe and Loy, to which is now added Echinocorambe. Loy differs from Corambe in the asymmetrical lobes of the posterior notal notch and the presence of spicules in the notum. All other nominal genera are objective or subjective synonyms of these two.

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