What are these 'trapdoor spiders' spotted around San Diego?

Sometimes mistaken for small tarantulas, ‘trapdoor spiders’ are native to Southern California.

Chance encounter in country town sparks discovery of new spider species

Spooky spiders invading San Diego 😳 #California #sandiego #sandiegoca, Spiders

Phylogenetic treatment and taxonomic revision of the trapdoor spider genus Aptostichus Simon (Araneae, Mygalomorphae, Euctenizidae)

Male Bothriocyrtum californicum (California Trapdoor Spider) in San Diego, California United States

California Trapdoor Spider

Above All Else, Spiders Are Predators. - Corky's Pest Control Services & Termite Services in San Diego, Los Angeles Pest Control & Riverside Pest Control

11 Black Spiders in Texas - A-Z Animals

Spooky-looking 'trapdoor spiders' spotted around San Diego

Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands