Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Biológica II, and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Av. Vélez Sarsfield 299, X5000JJC Córdoba, Argentina..
Zootaxa. 2021 Jun 10;4984(1):134147. doi: 10.11646/zootaxa.4984.1.13.
The long-neglected Chilean harvestman species Pachylus crassus (Roewer, 1943) (Gonyleptidae, Pachylinae) is redescribed and illustrated from the types and additional material. A lectotype is designated from the original syntype series. Until now P. crassus was only known from its brief original description. Moreover, its generic affiliation remained obscure for decades, as it was successively placed in different genera until it was determined to be a member of Pachylus C.L. Koch, 1839. Aside some taxonomic remarks on the genus, it is here proposed to exclude from Pachylus one doubtful nominal species, Pachylus acanthops (Gervais, 1849), and to consider it a species inquirenda. A thorough comparison of P. crassus with its presumed close relative, P. quinamavidensis Muñoz, 1969, is provided. New records for both species and a map with all known localities of the genus are also given.
长期被忽视的智利 harvestman 物种 Pachylus crassus（Roewer，1943）（Gonyleptidae，Pachylinae）根据模式和额外材料进行了重新描述和说明。从原始的同型系列中指定了一个正模。到目前为止，P. crassus 仅从其简短的原始描述中得知。此外，几十年来，它的属的归属仍然不清楚，因为它先后被归入不同的属，直到确定它是 Pachylus C.L. Koch，1839 的成员。除了对该属的一些分类学评论外，这里还建议将一个可疑的指名种 Pachylus acanthops（Gervais，1849）排除在 Pachylus 之外，并将其视为待查种。对 P. crassus 与其假定的近亲 P. quinamavidensis Muñoz，1969 进行了彻底的比较。还提供了这两个物种的新记录以及该属所有已知地点的地图。
