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    FIGURE 1 in Revision of the Magellanic Mactridae Lamarck, 1809 (Bivalvia: Heterodonta)

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    FIGURE 1. Map of the study area showing the localities sampled and the limits of the Magellanic province.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2011, Revision of the Magellanic Mactridae Lamarck, 1809 (Bivalvia: Heterodonta), pp. 47-67 in Zootaxa 2757 on page 49, DOI: 10.5281/zenodo.20107

    Mactrellona Marks 1951

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    Genus Mactrellona Marks, 1951 Type species. Mactra alata Spengler, 1802 [original designation]. Diagnosis. Shell large with a posterior area defined by keel, hinge plate inclined anteriorly, with short lateral teeth. Distribution. Atlantic coast of America, from United States to Brazil, Pacific coast of North America to Peru.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 36, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486

    FIGURE 14. Darina solenoides, A–F in Revision of the Magellanic Mactridae Lamarck, 1809 (Bivalvia: Heterodonta)

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    FIGURE 14. Darina solenoides, A–F: Syntypes of D. solenoides (NHM Reg. No.1837.12.1.879/884/ Reg. No.1968507); G– H: Holotype of Lutraria tenuis Philippi (ZMB s/n°); I–L: Paratypes of L. tenuis Philippi (ZMB unnumbered), scale bar = 1 cm.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2011, Revision of the Magellanic Mactridae Lamarck, 1809 (Bivalvia: Heterodonta), pp. 47-67 in Zootaxa 2757 on page 62, DOI: 10.5281/zenodo.20107

    Darina Gray 1853

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    Genus Darina Gray, 1853. Type Species: Erycina solenoides King & Broderip, 1832 [by Monotypy] Diagnosis. Shell elongated, very thin, fragile, compressed laterally; siphonal gap at both ends; external ligament small, teeth weak in cardinal area; pallial sinus deep about 1 / 2 Shell length. Distribution. Bahía Blanca, Argentina, to Puerto Montt, Chile.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2011, Revision of the Magellanic Mactridae Lamarck, 1809 (Bivalvia: Heterodonta), pp. 47-67 in Zootaxa 2757 on page 61, DOI: 10.5281/zenodo.20107

    FIGURE 10 in Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida)

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    FIGURE 10. Anatina anatina (Spengler, 1802), A–D: syntype (ZMUC, unnumbered); E–F: hinge description by using the nomenclature developed by Bernard and Munier Chalmas, E: RV, F: LV, scale bar = 1 cm.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 46, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486

    Mulinia Gray 1837

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    Genus Mulinia Gray, 1837 Type species. Mulinia typica Gray, 1837 (= Mactra edulis King, 1832) [original designation]. Diagnosis. Shell thick, trigonal to subcircular, ligament exclusively internal. Distribution. Atlantic coast of Central and South America, Pacific coast of South America and East coast of Southern Africa (Indian Ocean).Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 42, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486

    FIGURE 1. A–D in Systematic redescription of Solen (Ensisolen) tehuelchus and Ensis macha (Bivalvia: Solenoidea) from Argentina, southwestern Atlantic Ocean

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    FIGURE 1. A–D: Solen (Ensisolen) tehuelchus MLP 3623. A–B: schematic drawings of the inside of valves. C–D: close-up view of hinge teeth. E–H: Ensis macha, MLP 6829. E–F: schematic drawings of the inside of valves. G–H: close-up view of hinge teeth. Scale bars: A–F = 2 cm; G–H = 1 cm.Published as part of Giacomino, Sebastián & Signorelli, Javier H., 2021, Systematic redescription of Solen (Ensisolen) tehuelchus and Ensis macha (Bivalvia: Solenoidea) from Argentina, southwestern Atlantic Ocean, pp. 541-558 in Zootaxa 4964 (3) on page 543, DOI: 10.11646/zootaxa.4964.3.6, http://zenodo.org/record/474242

    Trinitasia Maury 1928

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    Genus Trinitasia Maury, 1928 Type species. Thyasira sanctiandreae Maury, 1925 [original designation] Diagnosis. Shell trigonal to subcircular, lunule well defined; pallial sinus deep, V-shaped; lateral teeth short, close to cardinals, anterior ones almost fused with anterior cardinal tooth, accessory lamella strong; anterior end round and high. Distribution. Atlantic coasts of Central and South America. Registered in the Miocene of Trinidad y Tobago, Venezuela and Colombia.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 32, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486

    FIGURE 2. A–F in Systematic redescription of Solen (Ensisolen) tehuelchus and Ensis macha (Bivalvia: Solenoidea) from Argentina, southwestern Atlantic Ocean

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    FIGURE 2. A–F: Solen (Ensisolen) tehuelchus. A–B: outer view, MACN 18231; C–D: inner view, MLP 3623; E: antero-dorsal view, MACN 12017; F: Detail of cardinal teeth, MACN 13038. Scale bars: A–D = 2 cm; E–F = 1 cm.Published as part of Giacomino, Sebastián & Signorelli, Javier H., 2021, Systematic redescription of Solen (Ensisolen) tehuelchus and Ensis macha (Bivalvia: Solenoidea) from Argentina, southwestern Atlantic Ocean, pp. 541-558 in Zootaxa 4964 (3) on page 546, DOI: 10.11646/zootaxa.4964.3.6, http://zenodo.org/record/474242

    Mactrotoma Dall 1894

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    Genus Mactrotoma Dall, 1894 Type species. Mactra fragilis Gmelin, 1791, [Dall, 1894 b, original designation]. Diagnosis. Shell trigonal to subcircular, posterior area covered by a thick periostracum and defined by a line. Distribution. Atlantic coast of America, from United States to Brazil, Pacific coast of North America to Peru, South east Asia.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 38, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486
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