Best Trapdoor
Cyclocosmia truncata is a species of trapdoor spider belonging to the family Halonoproctidae, primarily native to the United States and parts of Asia. It is distinguished by its uniquely evolved abdomen, which terminates in a flat, heavily armored disc featuring concentric ridges. This specialized m...
The ravine trapdoor spider *Cyclocosmia truncata* is a North American spider distinguished by its distinctive disc-shaped abdomen. This adaptation provides protection for its burrow within steep ravines and canyons. Primarily found in the Appalachian region of the United States, it’s studied by arac...
Cyclocosmia ricketti is a spider species native to China. It’s recognized by its distinctive disc-shaped abdomen, utilized for sealing entrances to its trapdoor burrows. This adaptation provides protection from predators and moisture. The spider is of interest to arachnologists studying burrowing be...
Liphistius malayanus is a species of trapdoor spider in the family Liphistiidae, a lineage that retains visibly segmented plates on the upper surface of the abdomen. It is native to Peninsular Malaysia and lives in a silk-lined burrow closed by a camouflaged door, with radiating signal threads helpi...
The cork-lid trapdoor spider (Aptostichus simus) is a species of mygalomorph spider native to the coastal dune environments of California. Like other members of its infraorder, it is a fossorial species that constructs deep, underground burrows lined with silk. The spider is distinguished by the thi...
Bothriocyrtum californicum is a large mygalomorph spider native to California and parts of the western United States. Like other trapdoor spiders, it constructs a burrow in the ground sealed with a hinged, camouflaged door made of soil and silk. The spider waits beneath this door and ambushes insect...
The Wafer Trapdoor Spider is a burrowing arachnid native to California, recognized for constructing silk-lined underground tunnels capped with thin, discreet soil doors.
Bothriocyrtum californicum is a trapdoor spider first described by Eugène Simon in 1891, notable for its strong, soil-covered trapdoors that conceal burrows dug into the hillsides of California.
Ummidia audouini is a trapdoor spider of North America and the Mediterranean that constructs silk-lined burrows with hinged lids to ambush ground-level prey.
Aganippe subtristis is a trapdoor spider described by William Joseph Rainbow in 1914, a mygalomorph native to Australia that constructs a strong, camouflaged burrow lid to ambush ground prey.
