A new species of Tisbintra (Harpacticoida, Tisbidae), and range extension for Geehydrosoma brevipodum (Harpacticoida, Cletodidae) from northern Colombia/Una nueva especie de Tisbintra (Harpacticoida, Tisbidae), y ampliacion de ambito de distribucion de Geehydrosoma brevipodum (Harpacticoida, Cletodidae) del norte de Colombia.

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Date: Jan-June 2017
From: Caldasia(Vol. 39, Issue 1)
Publisher: Universidad Nacional de Colombia, Instituto de Ciencias
Document Type: Article
Length: 4,373 words

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Abstract :

Water samples taken from the Rodadero Bay, Caribbean Colombian coast, yielded an undescribed species of harpacticoid copepod of the family Tisbidae, Tisbintra monroyi sp. nov. and a new record of Geehydrosoma brevipodum. The genus Tisbintra is composed of two species only, Tisbintra nankaurica known from Nicobar Islands (Bay of Bengal and Andaman Sea), and Tisbintra jonesi known from the Gulf of Mannar (southern India and western Sri Lanka) and the coast of Kenya. The new species can be separated from T. nankaurica and T. jonsei by the number of segments of the female and male antennule, relative length of the setae on the P5EXP, and the number of setae/spines in the female P6. The record of Tisbintra monroyi sp. nov. in Colombia is the first one of the genus outside the Indian Ocean. The new record of Geehydrosoma brevipodum, known previously from the Mexican Tropical Eastern Pacific, constitutes a range extension of the species to the Caribbean Colombian coast. Key words. Harpacticoida, taxonomy, Caribbean Sea. Se encontro una especie no descrita de copepodo harpacticoide de la familia Tisbidae, Tisbintra monroyi sp. nov. y un nuevo registro de Geehydrosoma brevipodum, en muestras de agua de Bahia del Rodadero, Costa del Caribe Colombiano. El genero Tisbintra esta compuesto solamente de dos especies, Tisbintra nankaurica, conocida de la Isla de Nicobar (Bahia de Bengala y Mar de Andaman), y Tisbintra jonesi, conocida del Golfo de Mannar (sur de India y oeste de Sri Lanka) y de las costas de Kenia. La nueva especie es diferente de T. nankaurica y T. jonsei en el numero de segmentos de la antenula de la hembra y del macho, en la longitud relativa de las setas en la P5EXP y en el numero de setas / espinas de la P6 de la hembra. El hallazgo de Tisbintra monroyi sp. nov. en Colombia es el primer registro del genero fuera del Oceano Indico. El hallazgo de Geehydrosoma brevipodum, conocida para el Pacifico Este Tropical Mexicano, constituye una ampliacion de su ambito de distribucion hasta la costa del Caribe Colombiano. Palabras clave. Harpacticoida, taxonomia, Mar Caribe.
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Gale Document Number: GALE|A500340007