Scientists at the University of California, Davis, have discovered a new species of trapdoor spider lurking in California's ...

The new species is a kind of trapdoor spider, a spider known for creating borrows underground with hinged doors.

To the delight of critter lovers and the dismay of arachnophobes, a previously unknown spider has been discovered living in ...

Scientists discovered a new kind of trapdoor spider under California’s sand dunes, showing how isolation helps spiders evolve ...

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

A newly discovered trapdoor spider species has been unearthed beneath California’s beaches, offering a rare glimpse into the ...

Just in time for Halloween, researchers have identified a new species of trapdoor spider. The newly discovered Aptostichus ...

UC Davis scientists uncovered Aptostichus ramirezae, a new trapdoor spider species living under California’s dunes. Genetic analysis revealed it was distinct from its close relative, Aptostichus simus ...

According to a recent study published in Ecology and Evolution, scientists found that the spider that appeared to be one ...

In the dunes between Monterey and Mexico’s Baja California, Jochim and her coauthors discovered a new species of spider that until now has been hidden in plain sight: Aptostichus ramirezae. The new ...