Abstract
New records of poorly known amphipods of the suborder Amphilochidea associated with a marine sponge (Porifera: Demospongiae) collected in Seno Magdalena, Aysén region, are presented. The presence of four species belonging to the infraorders Amphilochida and Lysianassida was determined. The species Polycheria macrophthalma Schellenberg, 1931 and Aristias linnaei Pérez-Schultheiss, 2015, which had not been recorded since their original descriptions, are documented, while Andaniotes linearis Barnard, 1932 extends its range in Chile. Finally, a putatively undescribed species of the genus Aristias, disclosed here by a single female specimen, is preliminarily recorded.
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