araneoid spiders. Spider taxonomy Insect evolution Garwood, Russell J.; Dunlop, Jason (2014). "Three-dimensional reconstruction and the phylogeny of extinct...

Orb-weaver spiders are members of the spider family Araneidae. They are the most common group of builders of spiral wheel-shaped webs often found in gardens...

Sometimes one pair of eyes is better developed than the rest. Several families of hunting spiders, such as jumping spiders and wolf spiders, have fair to excellent...

architectures; other names for this spider family include tangle-web spiders and comb-footed spiders.[citation needed] When spiders moved from the water to the...

of the earliest forms, and spiders that produce tangled cobwebs are more abundant and diverse than orb-weaver spiders. Spider-like arachnids with silk-producing...

scientific names of some 67 spiders species in his Svenska Spindlar ("Swedish Spiders"), one year before Linnaeus named over 30 spiders in his Systema Naturae...

is that the presence of venomous spiders led to the evolution of a fear of spiders, or made the acquisition of a fear of spiders especially easy. However...

as trapdoor spiders due to their creation of trapdoors over their burrows. Other prominent groups include Australian funnel web spiders and tarantulas...

production of new spider webs. Some spiders, such as the dewdrop spiders (Argyrodes), even eat the silk of other spider species. Spiders typically have...

(kéras) 'horn') constitutes one of the major subdivisions of the phylum Arthropoda. Chelicerates include the sea spiders, horseshoe crabs, and arachnids...

casting spiders, is a family of cribellate spiders first described by Carl Ludwig Koch in 1850. It consists of stick-like elongated spiders that catch...

Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000...

spiders" are not true spiders, nor even arachnids, their traditional classification as chelicerates would place them closer to true spiders than to other well-known...

into book lungs in primitive spiders and finally into tracheae in more advanced spiders (most of them still have a pair of book lungs intact as well),...

passing prey in or near the mouth of a burrow. Wolf spiders resemble nursery web spiders (family Pisauridae), but wolf spiders carry their egg sacs by attaching...

comprise the marine sea spiders and horseshoe crabs, along with the terrestrial arachnids such as mites, harvestmen, spiders, scorpions and related organisms...

Lampshade spiders, family Hypochilidae, are among the most primitive of araneomorph spiders. There are two genera and twelve species currently recognized...

A number of spiders can cause spider bites that are medically important. Almost all spiders produce venom but only a few are classified as "venomous" and...

certain groups of spider species, so-called cribellate spiders, the cribellum is a silk spinning organ. Unlike the usual spinnerets of spiders, the cribellum...

families of spiders. Many members of this family are also known as flower spiders or flower crab spiders. Members of this family of spiders do not spin...

(/əˈræknɪdə/) of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

reproducing with the same female. Because of the damage caused to the male spiders when this act takes place, these spiders are usually monogamous. If the females...

diversification of molluscs through geologic time Evolution of spiders – Origin from a chelicerate ancestor and diversification of spiders through geologic...

introduced to the genus that has considerably shrunk the size of the spiders, are pesticides, as spiders have been reported smaller in size when living in areas...

Velvet spiders (family Eresidae) are a small group (about 100 species in 9 genera) of spiders almost entirely limited to the Old World, with the exception...

Spitting spiders (Scytodidae) is a family of araneomorph spiders first described by John Blackwall in 1864. It contains over 250 species in five genera, of which...

is a family of mygalomorph spiders, commonly known as Australian funnel-web spiders or atracids. It has been included as a subfamily of the Hexathelidae...

Solifugae is an order of arachnids known variously as solifuges, sun spiders, camel spiders, and wind scorpions. The order includes more than 1,000 described...

however, appear to be crucial for the evolution of sociality in spiders. Recent theory suggests that social spiders evolved along a restricted pathway through...