Further studies on harvestmen (Arachnida: Opiliones) from Iran, with the descriptions of two new species Author Snegovaya, Nataly Yu. Institute of Zoology, Azerbaijan Academy of Sciences, pr. 1128, kv. 504, Baku AZ 1073, Azerbaijan. Author Cokendolpher, James C. Natural Science Research Laboratory, Museum of Texas Tech University, Lubbock, Texas 79415, USA. Author Zamani, Alireza Zoological Museum, Biodiversity Unit, FI- 20014, University of Turku, Finland. text Zootaxa 2021 2021-06-10 4984 1 73 86 journal article 4967 10.11646/zootaxa.4984.1.7 9ccf3e9f-c4cf-4202-b39c-4a87c9763f81 1175-5326 4928596 604672CE-8468-4A69-93A3-D8024DB42327 Rilaena kasatkini Snegovaya, Cokendolpher & Mozaffarian, 2018 Rilaena kasatkini Snegovaya et al ., 2018: 77 , figs 2a–q; Cokendolpher et al . 2019: 341 . Type locality . Iran , Golestan Province , Golestan National Park , 37°22’46.33“N , 55°51’54.56”E . Material examined . IRAN : North Khorasan Province : 1 male ( RCNS ), 10 km NW Dasht Village , 37°22’6”N , 55°56’40.6”E , 800–900 m a.s.l. , Denis Kasatkin leg. Mazandaran Province : 1 male , 2 females ( ZMMU ), near Chalus , 36°33’21.5“N , 48°48’39.7”E , 1800–1900 m a.s.l. , Denis Kasatkin leg. 31.5.– 1.6.2017 . Records from Iran . Golestan ( Snegovaya et al . 2018 ), Mazandaran , North Khorasan (present paper). Distribution . This species is endemic to northern and northeastern Iran .