made some major revisions. Only 15 of the original 55 U.S. species were fully accepted, 33 were reduced to synonyms, and seven to nomina dubia (doubtful names). A further 14 new U.S. species were then described. *Aphonopelma anax (Chamberlin, 1940) – United States, Mexico Aphonopelma anitahoffmannae Locht, Medina, Rojo & Vázquez, 2005 – Mexico Aphonopelma armada (Chamberlin, 1940) – United States Aphonopelma atomicum Hamilton, 2016 – United States Aphonopelma bacadehuachi Hendrixson, 2019 – Mexico Aphonopelma belindae Gabriel, 2011 – Panama Aphonopelma bicoloratum Struchen, Brändle & Schmidt, 1996 – Mexico Aphonopelma burica Valerio, 1980 – Costa Rica Aphonopelma caniceps (Simon, 1891) – Mexico Aphonopelma catalina Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma chalcodes Chamberlin, 1940 – United States Aphonopelma chiricahua Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma cookei Smith, 1995 – Mexico Aphonopelma crinirufum (Valerio, 1980) – Costa Rica Aphonopelma crinitum (Pocock, 1901) – Mexico Aphonopelma duplex (Chamberlin, 1925) – Mexico Aphonopelma eustathes (Chamberlin, 1940) – Mexico Aphonopelma eutylenum Chamberlin, 1940 – United States Aphonopelma gabeli Smith, 1995 – United States Aphonopelma geotoma (Chamberlin, 1937) – Mexico Aphonopelma gertschi Smith, 1995 – Mexico Aphonopelma griseum Chamberlin, 1940 – Mexico Aphonopelma hageni (Strand, 1906) – Mexico Aphonopelma helluo (Simon, 1891) – Mexico Aphonopelma hentzi (Girard, 1852) – United States Aphonopelma hesperum (Chamberlin, 1917) – Mexico Aphonopelma icenoglei Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma iodius (Chamberlin & Ivie, 1939) – United States Aphonopelma johnnycashi Hamilton, 2016 – United States Aphonopelma joshua Prentice, 1997 – United States Aphonopelma latens (Chamberlin, 1917) – El Salvador, Nicaragua Aphonopelma levii Smith, 1995 – Mexico Aphonopelma madera Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma mareki Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma marxi (Simon, 1891) – United States Aphonopelma moderatum (Chamberlin & Ivie, 1939) – United States Aphonopelma moellendorfi Hamilton, 2016 – United States Aphonopelma mojave Prentice, 1997 – United States Aphonopelma mooreae Smith, 1995 – Mexico Aphonopelma nayaritum Chamberlin, 1940 – Mexico Aphonopelma pallidum (F. O. Pickard-Cambridge, 1897) – Mexico Aphonopelma paloma Prentice, 1993 – United States Aphonopelma parvum Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma peloncillo Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma phasmus Chamberlin, 1940 – United States Aphonopelma platnicki Smith, 1995 – Mexico Aphonopelma prenticei Hamilton, Hendrixson & Bond, 2016 – United States Aphonopelma prosoicum Chamberlin, 1940 – Mexico Aphonopelma ruedanum Chamberlin, 1940 – Mexico Aphonopelma saguaro Hamilton, 2016