@ARTICLE{TreeBASE2Ref22128, author = {Luis Norberto Piacentini and M. J. Ramirez and Diana Silva}, title = {Description and relationships of Cauquenia (Araneae: Zoropsidae), with comments on the patterns of evolution of cribellum and male tibial crack on Lycosoidea.}, year = {2013}, keywords = {cladistics, morphology, phylogeny, systematics, taxonomy.}, doi = {10.1071/IS13031}, url = {http://}, pmid = {}, journal = {Invertebrate Systematics}, volume = {27}, number = {}, pages = {567?577}, abstract = {A new genus of the spider family Zoropsidae, Cauquenia, gen. nov., is proposed for Cauquenia maule, sp. nov., from the Maule region in central Chile. The familial placement is tested through the inclusion of Cauquenia in the lastest major morphological analyses of the superfamily Lycosoidea published to date, the subfamily placement of the South American zoropsid genus Itatiaya Mello-Leitão is also tested including them in the Raven and Stumkat (2005) analysis. Cauquenia and Itatiaya are closely related to the African genera Griswoldia Dippenaar-Schoeman & Jocqué and Phanotea Simon, with which it shares a cup-shaped median apophysis on the male pedipalp and tooth-like projections on the lateral lobes of the epigyne in females. The patterns of evolution of cribellum and male tibial crack in Lycosoidea are explored, the cribellum shows up as primitive present, with tree losses and four independt adquicitions, the mail tibial crack is lost twice. Asymmetric cost in cribellum gain:loss of 6:1 produce a primitive cribellum with 12 losses. } }

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