A rare trapdoor spider, Aptostichus ramirezae, discovered in Iran, features a tail-like appendage, a trait thought extinct ...

Researchers at this university stumbled upon this trapdoor species, but originally believed it to be Aptostichus simu s. Upon further analysis, they realized that though they appeared to be identical, ...

A Euoplos dignitas spider pictured in 2021. A trap door with silken hinges might sound like something out of a fairy tale, but it's actually something that comes out of some spiders — and there's a ...

In case your nightmares haven't been flooded with enough bad things lately, scientists have discovered a new and equally terrifying trapdoor spider that's bigger than any humanity has discovered yet.

Scientists at the University of California, Davis, have discovered a new species of trapdoor spider lurking in California's coastal sand dunes. The newly identified Aptostichus ramirezae is a close ...

While trapdoor spiders can come in all kinds of different sizes, like the massive and nightmarish Euoplos dignitas, or the much smaller brush-footed trapdoor spider, like those found in Australia. Now ...

A new "big, beautiful" kind of giant trapdoor spider has been discovered in Australia, and scientists say it's a rare find. The newly discovered species, Euoplos dignitas, was found in the Brigalow ...

If you thought Australia’s spiders were scary, wait until you see the prehistoric version, because everyone online is losing ...