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First report of Leptostraca from South-east Asia: Nebalia cambodiana sp. nov. (Crustacea: Malacostraca)

Published online by Cambridge University Press:  06 May 2016

Ji-Hun Song Open the ORCID record for Ji-Hun Song [Opens in a new window] ,
Taeseo Park  and
Gi-Sik Min
Ji-Hun Song
Affiliation:
Department of Biological Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Korea
Taeseo Park
Affiliation:
Animal Resources Division, National Institute of Biological Resources, Incheon 22689, Korea
Gi-Sik Min*
Affiliation:
Department of Biological Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Korea
*
Correspondence should be addressed to:G.-S. Min, Department of Biological Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Korea email: [email protected]
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Abstract

A new species of Leptostraca, Nebalia cambodiana sp. nov. (Crustacea: Malacostraca), is described from Cambodia. The specimen was collected by light traps on a diving deck where the bottom consisted of fine sand and gravel. The new species is distinguished from all other known species of Nebalia by the following characteristics: rostrum very long, length nearly 3.5 times width; a compound eye with one distinct dorsal papilla and four small lobes on distal margin; an antennular flagellum with nine articles; the fourth article of the antennular peduncle with only one distal thick seta; the antennular scale is elliptical, with a length that is 2 times the width; exopod of the second maxilla is the same length as first article of its endopod; pleonites 5 to 7 with rounded denticles along their posterior dorsal margins; the protopod of pleopod 4 lacks serration along the posterior margin; and anal plates with distinct lateral ‘shoulder’.

The new species is the first species of Leptostraca found in South-east Asia. In this paper, we provide illustrations and a detailed description of the diagnostic characteristics of N. cambodiana sp. nov.

Keywords

CambodiaNebalia cambodiana sp. nov.new speciesSouth-east Asia
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 97 , Issue 6 , September 2017 , pp. 1343 - 1349
Copyright
Copyright © Marine Biological Association of the United Kingdom 2016 

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References

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