ナガイボグモ科の属種
Iviraiva Rheims & Brescovit, 2004
Iviraiva argentina (Mello-Leitão, 1942) — Brazil, Bolivia, Paraguay, Argentina
Iviraiva pachyura (Mello-Leitão, 1935) — Brazil, Paraguay, Argentina
Deltshevia Marusik & Fet, 2009
Deltshevia danovi Marusik & Fet, 2009 — Turkmenistan, Kazakhstan
Deltshevia gromovi Marusik & Fet, 2009 — Uzbekistan, Kazakhstan