Haplochthonius clavatus ( Hammer, 1958 ) Oribatid mites (Acari: Oribatida) from the Patagonian steppe, Argentina Manzo, Rosa M. Rizzuto, Susana Martínez, Pablo A. Zootaxa 2019 2019-10-15 4686 2 241 252 8NQ57 (Haplochthonius) Willmann, 1930 Willmann 1930 [151,775,1089,1116] Arachnida Haplochthoniidae Haplochthonius Animalia Sarcoptiformes 5 246 Arthropoda subGenus Haplochthonius    Haplochthonius clavatus ( Hammer, 1958)  Material examined: Esquel:  Adesmia campestris(2). The species was only recorded under grass steppe. Records in Argentina: Buenos Airesand Salta( Fredes 2018). Comments: the distribution of species is Neotropical, Indiaand Spain( Subías 2004, update 2018). First record for the province of Chubut.