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New records of heterobranch sea slugs (Mollusca: Gastropoda) from Isla del Coco National Park, Costa Rica

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García Méndez, Kimberli D.
Camacho García, Yolanda E.

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Universidad de Costa Rica

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The molluscan fauna of Isla del Coco has recently been well documented, but the heterobranch sea slugs, traditionally called “opisthobranchs”, remain poorly known. We report 13 new records, increasing the total to 40 species. Of the 13 newly discovered species, the following species had not been previously recorded along the Pacific Costa Rican mainland: Berthella californica (Dall, 1900), Peltodoris rubra (Bergh, 1905), Dendrodoris albobrunnea Allan, 1933, Doriopsilla cf. spaldingi Valdés & Behrens, 1998, Glaucus cf. marginatus (Reinhardt & Bergh, 1864), and Flabellina sp. Additionally, we report Peltodoris rubra, previously known from the Indo-Pacific, for the first time in the Eastern Tropical Pacific. 
La fauna de moluscos de la Isla del Coco ha sido bien documentada; sin embargo, los moluscos heterobranquios o babosas marinas (tradicionalmente llamadas opistobranquios) continúan siendo poco conocidos. Aquí agregamos 13 nuevos registros, incrementando el total a 40 especies. De estas 13 especies, las siguientes no han sido reportadas en la costa continental del Pacífico de Costa Rica: Berthella californica (Dall, 1900), Peltodoris rubra (Bergh, 1905), Dendrodoris albobrunnea Allan, 1933, Doriopsilla cf. spaldingi Valdés & Behrens, 1998, Glaucus cf. marginatus (Reinhardt & Bergh, 1864) y Flabellina sp. Informamos por primera vez la presencia de Peltodoris rubra en el Pacífico Tropical Oriental.

Keywords

Heterobranchia, Nudipleura, Sacoglossa, Aplysiomorpha, opisthobranch, biodiversity, new records, Isla del Coco, Cocos Island, Heterobranchia, Nudipleura, Sacoglossa, Aplysiomorpha, opisthobranquios, biodiversidad, nuevos registros, Isla del Coco

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