Typhlonesticus gocmeni Ribera, Elverici, Kunt & Özkütük 2014

Males of the new species differ from Typhlonesticus absoloni by the shape and length of the tegulum, the shape of p1 and p2 processes, the arrangement of the embolus and the shape and arrangement of the paracymbial apophyses, mainly the ventral one, which is erected as a thin spine in Typhlonesticus gocmeni sp. n., whereas in Typhlonesticus absoloni it consists of a curved lamella. Females differ from Typhlonesticus absoloni by the shape of the epigyne and the position of the spermathecae. The dimension and orientation of the insemination and fertilization ducts are also diagnostic. In Typhlonesticus gocmeni sp. n. the epigyne is scarcely sclerotized and the spermathecae and insemination ducts are visible through the tegument, moreover the spermathecae are nearly spherical and separated by a distance approximately equal to their diameter. In Typhlonesticus absoloni the epigyne is strongly sclerotized and the spermathecae are separated by almost twice their diameter. In Typhlonesticus absoloni the insemination and fertilization ducts are thicker and almost fill the entire genital area.

Typhlonesticus gocmeni sp. n. is only known from the type locality. This new species was previously identified as Nesticus morisii by Aydın Topçu and collaborators (2013). The cave is located at the northern part of the West Taurus karst region; on the east side of the Acıpayam polje, at the south eastern slope of the Karadağ hill, about 200 m above the polje level (MTA 1998). It is a fossil cave, almost horizontal and 145 m long with a roof height varying between 1–9 m with many calcite speleothem formations. It is one of the tourist caves in Turkey, open to public access since 2003, with formed tracks and fixed lighting that extend almost the full length of the cave. Specimens were collected or observed during 3 visits on 20.03.2011, 10.07.2011 and 16.10.2011. Adult specimens from both sexes were only collected in July, but also observed in October; while only subadults could be found in March. Specimens were abundant in the dark zone all along the cave, located on their webs build on the speleothem formations.