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Wednesday, December 21st, 2016

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    4:44a
    [Ichthyology • 2016] Moenkhausia conspicua • A New Species of Moenkhausia Eigenmann, 1903 (Characiformes: Characidae) from Amazon Basin, Brazil

     Moenkhausia conspicua 
     Soares & Bührnheim, 2016 

     Abstract

    A new species of Moenkhausia is described from tributaries of the lower Amazon basin, Pará State, Brazil. The new species is morphologically similar to Moenkhausia collettiiM. copei, and Mvenerei by the presence of a dark horizontal stripe across the middle portion of the eye, a conspicuous slightly rounded humeral blotch, a dark longitudinal midlateral stripe and a dark stripe along the anal-fin base. However, the new species can be distinguished from M. collettii, M. copei, and M. venerei mainly by the number of cusps on the inner row of the premaxillary, maxillary and dentary teeth, and by the number of scales in transversal series above and below the lateral line.

    Keywords: Pisces, taxonomy, color pattern, Hemigrammus barrigonaeHemigrammus lunatus group


    FIGURE 1. Moenkhausia conspicua, holotype, INPA 38782, male, 33.9 mm SL, Brazil, Pará, Mojuí dos Campos, rio Curuá-Una basin. 


    Distribution. Moenkhausia conspicua is known from the rio Curuá-Una and rio Moju, lower Amazon basin, Pará State, Brazil. 

    Etymology. The specific epithet conspicua comes from the Latin, meaning visible, in allusion to the presence of two dark stripes, one extended along midbody and the other along the anal-fin basis. 


    Isabel Matos Soares and Cristina Motta Bührnheim. 2016. A New Species of Moenkhausia Eigenmann, 1903 (Characiformes: Characidae) from Amazon Basin, Brazil. 
    Zootaxa. 4208(4); 392–400. DOI: 10.11646/zootaxa.4208.4.6

    4:55a
    [Crustacea • 2013 “2015”] Six New Species of Freshwater Crabs of the Genera Microthelphusa & Fredius (Decapoda: Pseudothelphusidae) from Pantepui, Venezuela

    Plate 2. Dorsal view of the cephalothorax of six freshwater crab new species: A.- Microthelphusa aracamuniensis, n. sp.; B.- Mmarahuacaensis, n. sp.; C.- Mguaiquinimaensis, n. sp.; D.- M. maigualidaensis, n. sp.; E.- Mroraimaensis,n. sp.; F.- Fredius cuaoensis,n. sp.  
    Suárez, 2013 “2015”.  DOI:  10.5281/zenodo.18333

    Abstract

    Six new species of  pseudothelphusid crabs (Crustacea: Decapoda: Brachyura) are described from several rivers of the Pantepui region of Venezuela, in the states of Amazonas and Bolívar: Microthelphusa aracamuniensis, n. sp.M. guaiquinimaensis, n. sp.M. maigualidaensis, n. sp., M. marahuacaensis, n. sp.M. roraimaensis, n. sp., and Fredius cuaoensis, n. sp.

    Keywords: Brachyura, Cerro Guaiquinima, Cerro Marahuaca, Fredius, Microtelphusa, Monte Aracamuni, Serranía de Mai-gualida, Río Cuao, Roraima.

    Plate 2. Dorsal view of the cephalothorax of six freshwater crab new species:
    A.- Microthelphusa aracamuniensis, n. sp.; B.- M. marahuacaensis, n. sp.; C.- M. guaiquinimaensis, n. sp.; D.- M. maigualidaensis, n. sp.; E.- M. roraimaensis,n. sp.; F.- Fredius cuaoensis,n. sp. 



    Suárez, Héctor. 2013 “2015”. Six New Species of Freshwater Crabs from Pantepui, Venezuela (Crustacea: Decapoda: Pseudothelphusidae).
    ANARTIA. 25; 64–94. DOI:  10.5281/zenodo.18333


    Seis nuevas especies de cangrejos de agua dulce del Pantepui, Venezuela (Crustacea: Decapoda: Pseudothelphusidae)
    Resumen: Se describen seis nuevas especies de cangrejos pseudotelfúsidos (Crustacea: Decapoda: Brachyura) procedentes de varios ríos de la región pantepuyana de Venezuela, en los estados Amazonas y Bolívar: Microthelphusa aracamuniensis, n. sp., M. guaiquinimaensis, n. sp., M. maigualidaensis, n. sp. M. marahuacaensis, n. sp., M. roraimaensis, n. sp., y Fredius cuaoensis, n. sp.

      

    2:55p
    [Botany • 2015] Syzygium humbertii & S. mortonianum spp. nov. (Myrtaceae) from Madagascar



    Abstract

    Two new species, Syzygium humbertii Byng and S. mortonianum Byng, are described from Madagascar. When compared with other Madagascan Syzygium, S. humbertii Byng is characterised by sessile to subsessile leaves, orbicular to oval blades with usually cordate bases and rounded apices, and an obconic hypanthium. Syzygium mortonianum Byng is characterised by relatively long leaves that are typically wrinkled when dried, widely spaced venation, long petioles, and particularly dense capitate inflorescences with many flowers. Both new species are threatened with extinction and known from few contemporary collections.




    James W. Byng. 2015. Syzygium humbertii and S. mortonianum spp. nov. (Myrtaceae) from Madagascar.    Nordic Journal of Botany.  34(3); 355–359. DOI:  10.1111/njb.00843/full

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