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A new species of Paraglypturus (Crustacea: Decapoda: Axiidea: Callianassidae) from a vent field in the Tonga Arc of the south-western Pacific Ocean

Published online by Cambridge University Press:  05 February 2016

Dong-Ha Ahn
Affiliation:
Department of Biological Sciences, Inha University, Incheon, 402-751, Republic of Korea
Se-Joo Kim
Affiliation:
Deep-sea and Seabed Resources Research Division, Korea Institute of Ocean Science & Technology (KIOST), Gyeonggi-do, 426-744, Republic of Korea Korean Bioinformation Center (KOBIC), Korea Research Institute of Bioscience and Biotechnology, Daejeon, 305-806, Republic of Korea
Se-Jong Ju
Affiliation:
Deep-sea and Seabed Resources Research Division, Korea Institute of Ocean Science & Technology (KIOST), Gyeonggi-do, 426-744, Republic of Korea Marine Biology Department, Korea University of Science & Technology, Daejeon, 305-350, Republic of Korea
Gi-Sik Min*
Affiliation:
Department of Biological Sciences, Inha University, Incheon, 402-751, Republic of Korea
*
Correspondence should be addressed to:G.-S. Min, Department of Biological Sciences, Inha University, Incheon, 402-751, Republic of Korea email: [email protected]

Abstract

A new species of callianassid ghost shrimp, Paraglypturus tonganus sp. nov., is described and illustrated on the basis of five specimens that were collected from sediments in a vent field of the Tonga Arc, south-western Pacific Ocean. This new species is morphologically very similar to P. calderus Türkay & Sakai, 1995, the type species of the genus Paraglypturus Türkay & Sakai, 1995. It differs from P. calderus mainly in the absence (vs. presence in P. calderus) of an anterolateral row of setal pores on the carapace; the endopod of the second maxilliped, with a dactylus bearing stiff and thick serrate setae at the apex (vs. without in P. calderus); a yellow circular structure located on the ventral surface on the uropodal endopod (vs. on the dorsal surface on the uropodal exopod in P. calderus); and the articulation structure of the first pleopod in males (uniarticulate in P. tonganus vs. biarticulate in P. calderus). The new species is the first record of a ghost shrimp from a vent field of the Tonga Arc, and also the second reported species of the genus Paraglypturus.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2016 

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