New species of freshwater crab genus <i>Kingsleya</i> Ortmann, 1897 (Decapoda: Brachyura: Pseudothelphusidae) from Piauí, northeastern Brazil

A new species of freshwater crab, Kingsleya parnaiba n. sp., collected in a tributary stream of the Parnaíba River Basin in Brazil, is described and illustrated. Kingsleya parnaiba n. sp. morphologically resembles Kingsleya attenboroughi Pinheiro and Santana, 2016 and Kingsleya gustavoi Magalhães, 2005, from which it can be separated by a set of characters of the first gonopod, chelipeds, and female abdomen.

Keywords
Biodiversity; Kingsleyini; Neotropical region; Parnaíba River; taxonomy

Authorship

Bruno Pralon

Departamento de Biologia, Centro de Ciências da Natureza, Universidade Federal do Piauí, UFPI. Teresina, Piauí, Brazil.Universidade Federal do PiauíBrazilTeresina, Piauí, BrazilDepartamento de Biologia, Centro de Ciências da Natureza, Universidade Federal do Piauí, UFPI. Teresina, Piauí, Brazil.

http://orcid.org/0000-0002-3733-3955

Allysson P. Pinheiro

Laboratório de Crustáceos do Semiárido (LACRUSE), Universidade Regional do Cariri - URCA. 63100-000 Crato CE, Brazil.Universidade Regional do CaririBrazilCrato, CE, BrazilLaboratório de Crustáceos do Semiárido (LACRUSE), Universidade Regional do Cariri - URCA. 63100-000 Crato CE, Brazil.

http://orcid.org/0000-0003-1565-6371

William Santana

Laboratory of Systematic Zoology (LSZ), Pró-Reitoria de Pesquisa e Pós-Graduação, Centro Universitário Sagrado Coração. 17011-160, Bauru, SP, Brazil.Centro Universitário Sagrado CoraçãoBrazilBauru, SP, BrazilLaboratory of Systematic Zoology (LSZ), Pró-Reitoria de Pesquisa e Pós-Graduação, Centro Universitário Sagrado Coração. 17011-160, Bauru, SP, Brazil.

http://orcid.org/0000-0003-3086-4419

CORRESPONDING AUTHOR
William Santana willsantana@gmail.com

BP E-mail: pralon@ufpi.edu.br

A.P.P. E-mail: allysson.pinheiro@urca.br

WS E-mail: willsantana@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (5)

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Figure 1.
Map of Brazil indicating the state of Piauí, and the Parnaíba River Basin in detail. Sampling location marked with a star at the Riacho do Manezinho.

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Figure 2.
Kingsleya parnaiba n. sp., male holotype, cw 49.7mm, cl 32.4mm (MZUSP 40264): A, habitus, dorsal view; B, habitus, ventral view; C, cephalothorax, frontal view; D, E, left and right chelipeds in lateral view, respectively. Scale bars: A-E, 10 mm.

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Figure 3.
Kingsleya parnaiba n. sp., female paratype, cw 52.5mm, cl 35mm (MZUSP 40266): A, B, habitus, dorsal and ventral view, respectively. Kingsleya attenboroughiPinheiro and Santana, 2016Pinheiro, A.P. and Santana, W. 2016. A new and endangered species of Kingsleya Ortmann, 1897 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) from Ceará, northeastern Brazil. Zootaxa, 4171: 365-372., female paratype, cw 41.5mm, cl 26.7mm (MZUSP 34628): C, habitus in ventral view. Kingsleya parnaiba n. sp., male holotype, cw 49.7mm, cl 32.4mm (MZUSP 40264): D, right (minor) cheliped. Kingsleya attenboroughi, male, cw 51.9mm cl 32.4mm (LACRUSE 0269): E, left (minor) cheliped. Notice the differences in the female sixth somite and telson (red arrows), and the movable finger of the smaller cheliped (white arrows). Scale bars: A-C, 30mm; C, 20mm; D, E, 10 mm.

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Figure 4.
Kingsleya parnaiba n. sp., male holotype (MZUSP 40264): A-D, distal region of left first gonopod in sternal, lateral, mesial and abdominal views, respectively. Kingsleya attenboroughiPinheiro and Santana, 2016Pinheiro, A.P. and Santana, W. 2016. A new and endangered species of Kingsleya Ortmann, 1897 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) from Ceará, northeastern Brazil. Zootaxa, 4171: 365-372., male paratype (MZUSP 9699): E-H, distal region of left first gonopod in sternal, lateral, mesial and abdominal views, respectively. Abbreviations: ap, apical plate; dl, distal lobe; fs, field of apical spines; me, mesial process; mp, marginal process; pl, proximal lobe. Notice the differences in the curvature on the abdominal surface (white arrows); medial portion of the mesial process (green arrows); mesial process and apical plate (red arrows); proximal lobe of the apical plate with a semicircular basal protuberance (blue arrows). Scale bars: A-H, 2mm.

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Figure 5.
Habitat of Kingsleya parnaiba n. sp. at type locality in the Riacho do Manezinho, Ribeiro Gonçalves, Piauí, Brazil, 07°33’20”S 45°14’31”W. A, Width of the stream showing the partially deforested margins; B, sampling activities; notice the shallow depth of the stream and the turbid waters.

Figure 1. Map of Brazil indicating the state of Piauí, and the Parnaíba River Basin in detail. Sampling location marked with a star at the Riacho do Manezinho.

Figure 2. Kingsleya parnaiba n. sp., male holotype, cw 49.7mm, cl 32.4mm (MZUSP 40264): A, habitus, dorsal view; B, habitus, ventral view; C, cephalothorax, frontal view; D, E, left and right chelipeds in lateral view, respectively. Scale bars: A-E, 10 mm.

Figure 3. Kingsleya parnaiba n. sp., female paratype, cw 52.5mm, cl 35mm (MZUSP 40266): A, B, habitus, dorsal and ventral view, respectively. Kingsleya attenboroughiPinheiro and Santana, 2016Pinheiro, A.P. and Santana, W. 2016. A new and endangered species of Kingsleya Ortmann, 1897 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) from Ceará, northeastern Brazil. Zootaxa, 4171: 365-372., female paratype, cw 41.5mm, cl 26.7mm (MZUSP 34628): C, habitus in ventral view. Kingsleya parnaiba n. sp., male holotype, cw 49.7mm, cl 32.4mm (MZUSP 40264): D, right (minor) cheliped. Kingsleya attenboroughi, male, cw 51.9mm cl 32.4mm (LACRUSE 0269): E, left (minor) cheliped. Notice the differences in the female sixth somite and telson (red arrows), and the movable finger of the smaller cheliped (white arrows). Scale bars: A-C, 30mm; C, 20mm; D, E, 10 mm.

Figure 4. Kingsleya parnaiba n. sp., male holotype (MZUSP 40264): A-D, distal region of left first gonopod in sternal, lateral, mesial and abdominal views, respectively. Kingsleya attenboroughiPinheiro and Santana, 2016Pinheiro, A.P. and Santana, W. 2016. A new and endangered species of Kingsleya Ortmann, 1897 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) from Ceará, northeastern Brazil. Zootaxa, 4171: 365-372., male paratype (MZUSP 9699): E-H, distal region of left first gonopod in sternal, lateral, mesial and abdominal views, respectively. Abbreviations: ap, apical plate; dl, distal lobe; fs, field of apical spines; me, mesial process; mp, marginal process; pl, proximal lobe. Notice the differences in the curvature on the abdominal surface (white arrows); medial portion of the mesial process (green arrows); mesial process and apical plate (red arrows); proximal lobe of the apical plate with a semicircular basal protuberance (blue arrows). Scale bars: A-H, 2mm.

Figure 5. Habitat of Kingsleya parnaiba n. sp. at type locality in the Riacho do Manezinho, Ribeiro Gonçalves, Piauí, Brazil, 07°33’20”S 45°14’31”W. A, Width of the stream showing the partially deforested margins; B, sampling activities; notice the shallow depth of the stream and the turbid waters.

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Sociedade Brasileira de Carcinologia Instituto de Biociências, UNESP, Campus Botucatu, Rua Professor Doutor Antônio Celso Wagner Zanin, 250 , Botucatu, SP, 18618-689 - Botucatu - SP - Brazil
E-mail: editor.nauplius@gmail.com

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New species of freshwater crab genus <i>Kingsleya</i> Ortmann, 1897 (Decapoda: Brachyura: Pseudothelphusidae) from Piauí, northeastern Brazil

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[1] CORRESPONDING AUTHOR
William Santana willsantana@gmail.com