On some Recent non-marine ostracods from northern China, with description of one new species

in Crustaceana
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Preliminary investigations of urban waters in Beijing City and small water-bodies in Inner Mongolia yielded a total of 12 living ostracod species. Five species are new records for China: Candona quasiakaina Karanovic & Lee, 2012, Fabaeformiscandona myllaina Smith & Kamiya, 2007, Heterocypris auricularis sp. nov. (previously known as Heterocypris sanukiensis Okubo, 2004 nomen nudum), Ilyocypris mongolica Martens, 1991 and Plesiocypridopsis newtoni (Brady & Robertson, 1870). Bradleycypris vittata (Sars, 1903), Ilyocypris angulata Sars, 1903, Limnocythere stationis Vávra, 1891 and Physocypria kraepelini G. W. Müller, 1903 are the first records for Palaearctic China. Cypridopsis vidua (O. F. Müller, 1776), Heterocypris incongruens (Ramdohr, 1808) and Limnocythere inopinata (Baird, 1843) are also reported in this paper, although they had already been found in China before. Of the above species, B. vittata, I. angulata and I. mongolica are re-described. The present study expands our knowledge on the taxonomy and geographical distribution of ostracod species.

On some Recent non-marine ostracods from northern China, with description of one new species

in Crustaceana

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References

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Figures

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    Map of the study area (redrawn from: map.baidu.com), showing the main geomorphological settings, locations of the sampling sites (solid blue circles) and the major cities (solid black squares). Also see table I. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Candona quasiakaina Karanovic & Lee, 2012, male and female. A, male LV, ext. (dyzoc368); B, male RV, int. (dyzoc368); C, female LV, ext. (dyzoc195); D, female LV, ext. (dyzoc236). Scale bar = 500 μm.

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    Candona quasiakaina Karanovic & Lee, 2012, male and female. A, male right L5 palp (dyzoc368); B, male left palp (dyzoc368); C, male Hp (dyzoc368); D, posterior part of female genital lobe (dyzoc394). Scale bar = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Fabaeformiscandona myllaina Smith & Kamiya, 2007, male and female. A, male LV, ext. (dyzoc203); B, female LV, ext. (dyzoc205); C, male RV, int. (dyzoc203); D, male carapace, dor. (dyzoc375). Scale bar = 500 μm.

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    Fabaeformiscandona myllaina Smith & Kamiya, 2007, male and female. A, male right L5 palp (dyzoc203); B, male left L5 palp (dyzoc203); C, male Hp (dyzoc203); D, female genital lobe (dyzoc205). Scale bar = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Physocypria kraepelini G. W. Müller, 1903, male and female. A, male LV, ext. (dyzoc243); B, male RV, int. (dyzoc243); C, female RV, ext. (dyzoc359); D, male carapace, fron. (dyzoc248). Scale bar = 500 μm.

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    Physocypria kraepelini G. W. Müller, 1903, male. A, right L5 palp (dyzoc243); B, left L5 palp (dyzoc243); C, Hp (dyzoc2); D, L6 (dyzoc243); E, L7 (dyzoc242). Scale bar = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Ilyocypris angulata Sars, 1903, male and female. A, male RV, ext. (dyzoc383); B, female RV, ext. (dyzoc385); C, male LV, showing ripplets on the postero-ventral margin (dyzoc383); D, female carapace, oblique-dor. (dyzoc214). Scale bar = 100 μm for A, B and D, 200 μm for C.

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    Ilyocypris angulata Sars, 1903, male and female. A, male A1 (dyzoc383); B, female A2 (dyzoc385); C, distal part of female A2 (dyzoc385); D, distal part of male A2 (dyzoc383); E, palp of male Md (dyzoc389). Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Ilyocypris angulata Sars, 1903, male. A, L5 palps (dyzoc389); B, L6 (dyzoc389); C, L7 (dyzoc389); D, Hp (dyzoc389); E, Ur (dyzoc383). Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Ilyocypris angulata Sars, 1903, male ZO (dyzoc383). Scale bar = 100 μm.

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    Ilyocypris mongolica Martens, 1991, male and female. A, male RV, ext. (dyzoc320); B, female RV, ext. (dyzoc322); C, female LV, int. (dyzoc322); D, male carapace, oblique-dor. (dyzoc319). Scale bar = 500 μm.

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    Ilyocypris mongolica Martens, 1991, male (dyzoc320). A, A1; B, A2; C, coxa of Md; D, palp of Md; E, Mx endites and palp. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Ilyocypris mongolica Martens, 1991, male (dyzoc320). A, L5 palps; B, L6; C, L7; D, Ur; E, penis. Scale bar = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Ilyocypris mongolica Martens, 1991, male ZOs (dyzoc320). Scale bar = 100 μm.

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    Heterocypris incongruens (Ramdohr, 1808), female. A, LV, ext. (dyzoc252); B, RV, int. (dyzoc252); C, carapace, dor. (dyzoc252); D, carapace, dor. (dyzoc260); E, RV, int. (dyzoc311); F, carapace, oblique-fron. (dyzoc259). Scale bar = 500 μm.

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    Heterocypris incongruens (Ramdohr, 1808), female (dyzoc252). A, A2; B, Md palp and coxa; C, L6; D, L7. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Heterocypris auricularis sp. nov., male. A, LV, ext. (dyzoc331); B, RV, int. (dyzoc331); C, RV, int. (dyzoc350); D, carapace, dor. (dyzoc331). Scale bar = 500 μm.

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    Heterocypris auricularis sp. nov., male (dyzoc350). A, A1; B, A2; C, palp of Md; D, Mx endites and palp. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Heterocypris auricularis sp. nov., male (dyzoc350). A, left L5 palp; B, right L5 palp; C, L6; D, L7; E, Ur; F, Hp. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Bradleycypris vittata (Sars, 1903), female (dyzoc360). A, LV, ext.; B, RV, int.; C, carapace, dor.; D, carapace, fron. Scale bar = 500 μm.

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    Bradleycypris vittata (Sars, 1903), female (dyzoc360). A, A1; B, A2; C, details of distal part of A2. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Bradleycypris vittata (Sars, 1903), female (dyzoc360). A, palp of Md (terminal segment not shown); B, Mx endites and palp; C, L6; D, L7; E, Ur; F, Ur attachment. Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Cypridopsis vidua (O. F. Müller, 1776), female. A, LV, ext. (dyzoc362); B, RV, int. (dyzoc362), note the inner list; C, LV, ext. (dyzoc105); D, RV, dor. (dyzoc363), showing small pustles on the extro-anterior margin; Scale bar = 500 μm for A, B and C, 141 μm for D.

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    Cypridopsis vidua (O. F. Müller, 1776), female. A, A2 (dyzoc105); B, L6 (dyzoc105); C, L7 (dyzoc105); D, Ur (dyzoc361). Scale bars = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Plesiocypridopsis newtoni (Brady & Robertson, 1870), female. A, LV, ext. (dyzoc339); B, RV, int. (dyzoc339); C, RV, ext. (dyzoc340); D, carapace, oblique-dor. (dyzoc346). Scale bar = 500 μm.

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    Plesiocypridopsis newtoni (Brady & Robertson, 1870), female (dyzoc339). A, A2; B, L6; C, Ur and a hook structure adjacent to it. Scale bar = 100 μm. This figure is published in colour in the online edition of this journal, which can be accessed via http://booksandjournals.brillonline.com/content/journals/15685403.

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    Limnocythere inopinata (Baird, 1843), female (dyzoc380). A, LV, ext.; B, RV, int. Scale bar = 500 μm.

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