Description of a new species of Chaco Tullgren, 1905 (Araneae: Mygalomorphae: Pycnothelidae) from Argentina and the southernmost record of the genus

被引:0
作者
Allegue, Maite [1 ,3 ]
Pompozzi, Gabriel [2 ]
Ferretti, Nelson [1 ,3 ]
机构
[1] UNS, Ctr Recursos Nat Renovables Zona Semiarida CERZOS, Camino Carrindanga,Km 7, RA-8000 Bahia Blanca, Buenos Aires, Argentina
[2] Inst Argentino Invest Zonas Aridas IADIZA CONICET, Ave Ruiz Leal S-N Parque San Martin, RA-5500 Mendoza, Argentina
[3] Univ Nacl Sur, Dept Biol Bioquim & Farm, San Juan 670, RA-8000 Bahia Blanca, Buenos Aires, Argentina
关键词
Taxonomy; spiders; systematics; Patagonia; PROVINCE;
D O I
10.35929/RSZ.0127
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
A new species of Chaco Tullgren, 1905 was discovered and is formally described. Chaco aoni sp. nov. from the Santa Cruz River in Santa Cruz Province, Argentina, is the southernmost recorded species of this genus. The new species is diagnosed on the basis of the morphology of the palpal organ and tibial apophysis of males and the shape of the spermathecae of females. A cladistic analysis was carried out based on an already published morphological matrix, which now also includes the new species. This new species is part of a monophyletic group including also Chaco tingua Indicatti, Goloboff, 1995 and C. ansilta Ferretti, 2014.
引用
收藏
页码:305 / 317
页数:13
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