Nebalia pseudotroncosoi n. sp. (Malacostraca: Leptostraca), from South Korea, with a peculiar sexual dimorphism

Song, Ji-Hun; Moreira, Juan; Min, Gi–Sik

doi:10.1163/1937240x-00002106

Cited by 9 publications

(12 citation statements)

References 15 publications

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“…Namely the antennules and antennae of males may be modified to function as clasping structures (Song et al . ). For example, in male Nebaliopsis the two terminal segments of the antenna are bent back in a hook‐like manner (Rolfe ; Jones et al .…”

Section: A Possible Case Of Sexual Dimorphismmentioning

confidence: 97%

“…Sexual dimorphism is widespread among Recent Leptostraca and may be expressed in differing size and/or shape of morphological structures such as antennules, antennae, furca and pleopods (Rolfe ; Song et al . and references therein). Namely the antennules and antennae of males may be modified to function as clasping structures (Song et al .…”

Section: A Possible Case Of Sexual Dimorphismmentioning

confidence: 99%

“…larger telson spine to furca length ratios (2.3–2.4 vs 2.8–3.0). This interpretation would be consistent with a similar sexual dimorphic trait which has been recorded in Nebalia bipes (Fabricius, ) (Dahl ) and N. pseudotroncosoi Song et al ., .…”

Section: A Possible Case Of Sexual Dimorphismmentioning

confidence: 99%

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Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany)

Poschmann

Bergmann

Kühl

2018

Papers in Palaeontology

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We describe a new archaeostracan phyllocarid from the famous Early Devonian Hunsr€ uck Slate, Germany. Morphological features suggest a new ceratiocaridid species for which we propose the name Ceratiocaris harpago sp. nov. The exceptionally well-preserved holotype specimen is the most completely known ceratiocaridid with an almost entire set of appendages including biflagellate antenniform antennules, robust uniramous antennae with hook-like flagellum, thoracopods densely covered with setae and probably six pairs of pleopods. A nectobenthic lifestyle is considered the most probable and the clasper-like morphology of the antennae suggests the presence of a sexual dimorphism in this taxon, with the holotype specimen being a male individual.

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Section: A Possible Case Of Sexual Dimorphismmentioning

confidence: 97%

Section: A Possible Case Of Sexual Dimorphismmentioning

confidence: 99%

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Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany)

Poschmann

Bergmann

Kühl

2018

Papers in Palaeontology

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“…Nebalia was established by Leach (1814) with type Nebalia herbstii from the British Isles. More than 37 species of this genus have been reported thus far from Africa (Barnard 1914; Kensley 1976; Olesen 1999; Bochert and Zettler 2012), Red Sea (Wägele 1983), Adriatic Sea (Dahl 1985), Britain-Celtic Sea (Dahl 1985), Greenland (Dahl 1985), Norway (Dahl 1985), Pakistan (Kazmi and Tirmizi 1989), Antarctic Sea (Dahl 1990), Falkland Islands (Dahl 1990), New Zealand (Dahl 1990), South Atlantic Ocean (Dahl 1990), Mexico (Escobar-Briones and Villalobos-Hiriart 1995; Ortiz et al 2011), California (Martin et al 1996; Vetter 1996; Haney and Martin 2000, 2005), Mediterranean Sea (Ledoyer 1997; Moreira et al 2007, 2012; Koçak and Moreira 2015), New Caledonia (Ledoyer 2000), Northeast Atlantic (Haney et al 2001; Moreira et al 2003, 2009), Aegean Sea (Moreira et al 2007), Hong Kong (Lee and Bamber 2011), South Korea (Song et al 2012, 2013; Song and Min 2017), and Malaysia (Othman et al 2016). Although our understanding of the morphology and distribution of the genus Nebalia has progressed, further investigation into the ecology of the genus is necessary.…”

Section: Introductionmentioning

confidence: 99%

A new species of Nebalia (Crustacea, Leptostraca) from a hydrothermal field in Kagoshima Bay, Japan

Hirata¹,

Fujiwara²,

Kikuchi³

2019

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A new species of Leptostraca, Nebalia tagirisp. nov. is described and illustrated. This species was sampled from 200 m depth at a hydrothermal field in Wakamiko Caldera of Kagoshima Bay, Japan. Nebalia tagirisp. nov. is different from known Nebalia species as follows: rostral length 2.4 times as long as width; article 4 of antennule with 3–5 robust distal spines; antennular scale approximately twice as long as wide; article 3 of antenna with eight spines and nine spine-like setae along proximal half, two thin setae and six spine-like setae on external lateral face, six spines and four simple setae on distal margin; article 1 of second maxilla longer than article 2; article 2 of mandibular palp with two thin setae; exopod of pleopod 1 with 21 spines along lateral margin; furcal rami longer than combined length of pleonite 7 and telson; rounded denticles of pleonite 6 and 7; anal-plates ‘shoulder’ not distinct. Furthermore, this specimen is the first genus Nebalia found in the hydrothermal vent. The distribution and ecology of this new species is also discussed and a key to all species of Nebalia is provided.

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“…2012, N. pseudotroncosoi Song et al . 2013 and N. dolsandoensis Song & Min, 2016, from South Korea. This species inhabits very clean oligotrophic sand and gravel sediments similar to N. daytoni Vetter, 1996.…”

Section: Introductionmentioning

confidence: 99%

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

2016

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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.

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Nebalia pseudotroncosoi n. sp. (Malacostraca: Leptostraca), from South Korea, with a peculiar sexual dimorphism

Cited by 9 publications

References 15 publications

Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany)

Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany)

A new species of Nebalia (Crustacea, Leptostraca) from a hydrothermal field in Kagoshima Bay, Japan

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

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