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Cyclocosmia ricketti (Chinese: 里氏盤腹蛛; pinyin: Lǐ shì pán fù zhū), commonly known as the Chinese hourglass spider (which generally refers to its genus), is a species of trapdoor spider of the genus Cyclocosmia, which refers specifically to mygalomorphus animals. Cyclocosmia ricketti is native to China and it was first described ...
Nemesiidae are relatively large spiders with robust legs and a body that is nearly three times as long as it is wide. They are darkly colored, brown to black, though some have silvery hairs on their carapace. [5] Atmetochilus females can grow over 4 centimetres (1.6 in) long. They live in burrows, often with a hinged trapdoor.
White-tailed spiders. Yellow sac spider. Harvestman. Camel spiders. References. List of medically significant spider bites. Appearance. 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 able to cause significant harm to humans. [ 1 ]
Ctenizidae. Ctenizidae is a small family of mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation, and silk. They may be called trapdoor spiders, as are other, similar species, such as those of the families Liphistiidae, Barychelidae, and Cyrtaucheniidae, and some species in the Idiopidae and Nemesiidae.
Cyclocosmia is a genus of mygalomorph trapdoor spiders in the family Halonoproctidae, first described by Anton Ausserer in 1871. [4] Originally placed with the Ctenizidae, when the family split in 2018, this genus was placed with the Halonoproctidae as the type genus. [5] The name is derived from the Greek "kyklos" (κυκλος), meaning ...
The Mygalomorphae, or mygalomorphs, are an infraorder of spiders, and comprise one of three major groups of living spiders with over 3,000 species, found on all continents except Antarctica. Many members are known as trapdoor spiders due to their creation of trapdoors over their burrows. Other prominent groups include Australian funnel web ...
Antrodiaetidae, also known as folding trapdoor spiders or folding-door spiders, is a small spider family related to atypical tarantulas. They are found almost exclusively in the western and midwestern United States, from California to Washington and east to the Appalachian Mountains. [1] Exceptions include Antrodiaetus roretzi and Antrodiaetus ...
Aptostichus barackobamai is a species of large, sexually dimorphic spiders. Males' legs, carapaces, and chelicerae are a dark red color. Their abdomen is a red-brown with mottled stripes running dorsally. The cephalothorax 's carapace is 5.94 centimetres (2.34 in) long and 5.06 centimetres (1.99 in) wide. Their cephalothorax is covered in white ...