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Article
Published: 2020-11-12

Three new species of Syllis Savigny in Lamarck, 1818 (Annelida, Syllidae) from Chilean Patagonia 

Facultad de Ciencias del Mar y de Recursos Naturales, Universidad de Valparaíso. Avenida Borgoño 16344, Viña del Mar. Chile. Centro de Observación Marino para Estudios de Riesgos del Ambiente Costero (COSTAR), Universidad de Valparaíso, Chile.
Departamento de Biología (Zoología), Facultad de Ciencias, Universidad Autónoma de Madrid, Canto Blanco, 28049 Madrid, Spain Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM). Universidad Autónoma de Madrid, Calle Darwin 2, E-28049 Madrid, Spain.
Departamento de Biología (Zoología), Facultad de Ciencias, Universidad Autónoma de Madrid, Canto Blanco, 28049 Madrid, Spain Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM). Universidad Autónoma de Madrid, Calle Darwin 2, E-28049 Madrid, Spain.
Syllidae Patagonia Chile Taxonomy Chaetopterus tubes Annelida

Abstract

Three new species of the genus Syllis Savigny in Lamarck, 1818, from the Chilean Patagonia are described, figured and discussed. The specimens were collected in boulders, sediment bottoms, Macrocystis pyrifera holdfasts, and inside tubes of Chaetopterus cf. variopedatus. Syllis patagonica n. sp., is characterized by its color pattern, short, fusiform dorsal cirri, plenty of hyaline inclusions, acuminate posterior acicula, and compound chaetae with slightly bidentate falcigers. Syllis terraeignium n. sp., has similar compound chaetae, but dorsal cirri are longer than those of the above mentioned species, a long proventricle, and the posterior acicula are straight, pointed. Finally, Syllis patersoni n. sp., has a slender, elongated body, with moderately long dorsal cirri, plenty of hyaline inclusions, acuminate posterior acicula, and compound chaetae composed by falcigers and short spiniger-like.

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