Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. This diverse, globally distributed family includes over 3,000 species in 124 genera, and is the most common arthropods found in human dwellings throughout the world.
Eresus, also called ladybird spiders, is a genus of velvet spiders that was first described by Charles Athanase Walckenaer in 1805. Members of the genus formerly called Eresus cinnaberinus or Eresus niger are now placed in one of three species: Eresus kollari, Eresus sandaliatus and Eresus moravicus.
Zodarion is a genus of ant-eating spiders from the Zodariidae family. Over 150 species from Eurasia and North Africa have been described as of May 2017.
Euophrys is a genus of spiders in the family Salticidae with almost worldwide distribution.
Marpissa is a genus of jumping spiders that was first described by Ludwig Carl Christian Koch in 1846. The name is derived from Marpissa, an ancient Greek village.
Agelena is a genus of agelenid spiders first described by Charles Athanase Walckenaer in 1805. Sometimes referred to as Eurasian grass spiders, they trap their prey by weaving entangling non-sticky funnel webs. They are limited to the Old world, occurring from Africa to Japan.
Aculepeira is a genus of orb-weaver spiders first described by R. V. Chamberlin & Wilton Ivie in 1942.
Drassodes is a genus of ground spiders that was first described by Niklas Westring in 1851. They are brown, gray, and red spiders that live under rocks or bark in mostly dry habitats, and are generally 3.8 to 11.6 millimetres long, but can reach up to 20 millimetres (0.79 in) in length.
Ozyptila is a genus of rather small crab spiders.
Nigma is a genus of cribellate araneomorph spiders in the Dictynidae family, and was first described by Pekka T. Lehtinen in 1967. They have a wide distribution, including Eurasia, North America, and Northern Africa. N. walckenaeri is one of the biggest member of the Dictynidae family, growing up to 5 millimetres (0.20 in) long. They are translucent green and sometimes have red or black markings on the abdomen.
Neriene is a genus of sheet weavers that was first described by John Blackwall in 1833.
Neoscona, also called spotted orb-weavers and barn spiders, is a genus of orb-weaver spiders first described by Eugène Simon in 1895 to separate these from other araneids in the now obsolete genus Epeira. They have a mostly pantropical distribution and one species, N. adianta, has a palearctic distribution. The name was derived from the Greek νέω, meaning "spin", and σχοῐνος, meaning "reed".
Clubiona is a genus of sac spiders that was first described by Pierre André Latreille in 1804.
Gnaphosa is a genus of ground spiders that was first described by Pierre André Latreille in 1804. They all have a serrated keel on the retromargin of each chelicera.
Agyneta is a genus of dwarf spiders that was first described by J. E. Hull in 1911.
Micaria is a genus of ground spiders that was first described by Niklas Westring in 1851. They are 1.3 to 6.5 millimetres long.
Improphantes is a genus of dwarf spiders that was first described by Michael I. Saaristo & A. V. Tanasevitch in 1996.
