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Infraorder Mygalomorphae - Mygalomorphs

Spider of some sort - Antrodiaetus Spider, black with red legs - Sphodros rufipes ID for a Tarantula? - Aphonopelma - male Tarantula at Burrow - Aphonopelma 53601 Aphonopelma - Aphonopelma Palo Alto Terrantula Aphonopelma Eutylenum or Chalcodes? - Aphonopelma - male Large TX spider - Eucteniza Kulkulcania is the best I've come up with
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Mygalomorphae (Mygalomorphs)
Numbers
over 2,500 spp. in 280 genera placed in 15 families worldwide(1)
Identification
Easily distinguished from araneomorphs by two pairs of booklungs; fangs and chelicerae are parallel to the body axis.

In North America, the only mygalomorphs that have claw tufts are the tarantulas (family Theraphosidae).
Remarks
This is a more primitive group of spiders which includes the infamous tarantulas, primarily represented by members of Family Theraphosidae. Other familiar members include the trapdoor spiders and purseweb spiders.