Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean

Octopuses of the genus Graneledone inhabit in the deep-sea and are composed of 8 recognized species. Here we conduct phylogenetics analyses of 4 species of Graneledone using 2 molecular markers (16S and COI), and report a new record of Graneledone for the Pacific Ocean off south-central Chile. Four...

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Autores principales: Ibáñez,Christian M, Pardo-Gandarillas,M. Cecilia, Poulin,Elie, Sellanes,Javier
Lenguaje:English
Publicado: Universidad de Valparaíso. Facultad de Ciencias del Mar 2012
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572012000300007
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spelling oai:scielo:S0718-195720120003000072013-03-26Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific OceanIbáñez,Christian MPardo-Gandarillas,M. CeciliaPoulin,ElieSellanes,Javier Graneledone deep-sea octopuses bathyal zone Chile Octopuses of the genus Graneledone inhabit in the deep-sea and are composed of 8 recognized species. Here we conduct phylogenetics analyses of 4 species of Graneledone using 2 molecular markers (16S and COI), and report a new record of Graneledone for the Pacific Ocean off south-central Chile. Four specimens of Graneledone sp. were collected from 436 to 1482 m depth. These octopuses are medium sized, have no ink sac and bear only one row of suckers in their arms, which are of similar length. They are characterized by having 43 to 45 suckers in the hectocotylized arm (third right); 6 to 7 lamellae per demibranch; VV-shaped funnel organ and 5 to 7 transverse creases in the ligulae. Some morphological traits show great variation compared with species from Pacific, Atlantic and Antarctic oceans. Molecular phylogenetic analysis supports the hypothesis of monophyly of Graneledone.info:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.47 n.3 20122012-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572012000300007en10.4067/S0718-19572012000300007
institution Scielo Chile
collection Scielo Chile
language English
topic Graneledone
deep-sea octopuses
bathyal zone
Chile
spellingShingle Graneledone
deep-sea octopuses
bathyal zone
Chile
Ibáñez,Christian M
Pardo-Gandarillas,M. Cecilia
Poulin,Elie
Sellanes,Javier
Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
description Octopuses of the genus Graneledone inhabit in the deep-sea and are composed of 8 recognized species. Here we conduct phylogenetics analyses of 4 species of Graneledone using 2 molecular markers (16S and COI), and report a new record of Graneledone for the Pacific Ocean off south-central Chile. Four specimens of Graneledone sp. were collected from 436 to 1482 m depth. These octopuses are medium sized, have no ink sac and bear only one row of suckers in their arms, which are of similar length. They are characterized by having 43 to 45 suckers in the hectocotylized arm (third right); 6 to 7 lamellae per demibranch; VV-shaped funnel organ and 5 to 7 transverse creases in the ligulae. Some morphological traits show great variation compared with species from Pacific, Atlantic and Antarctic oceans. Molecular phylogenetic analysis supports the hypothesis of monophyly of Graneledone.
author Ibáñez,Christian M
Pardo-Gandarillas,M. Cecilia
Poulin,Elie
Sellanes,Javier
author_facet Ibáñez,Christian M
Pardo-Gandarillas,M. Cecilia
Poulin,Elie
Sellanes,Javier
author_sort Ibáñez,Christian M
title Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
title_short Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
title_full Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
title_fullStr Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
title_full_unstemmed Morphological and molecular description of a new record of Graneledone (Cephalopoda, Octopodidae) in the southeastern Pacific Ocean
title_sort morphological and molecular description of a new record of graneledone (cephalopoda, octopodidae) in the southeastern pacific ocean
publisher Universidad de Valparaíso. Facultad de Ciencias del Mar
publishDate 2012
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572012000300007
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