type Hapalopus formosus Ausserer, 1875; gender masculine

Transferred to other genera:
Hapalopus aldana (West, 2000) -- see Magnacarina
Hapalopus aymara Perdomo, Panzera & Pérez-Miles, 2009 -- see Notahapalopus
Hapalopus butantan (Pérez-Miles, 1998) -- see Jambu
Hapalopus flavohirtus Simon, 1889 -- see Catanduba
Hapalopus gasci (Maréchal, 1996) -- see Notahapalopus
Hapalopus guianensis Caporiacco, 1954 -- see Neostenotarsus
Hapalopus incei F. O. Pickard-Cambridge, 1898 -- see Holothele
Hapalopus lesleyae Gabriel, 2011 -- see Jambu
Hapalopus nondescriptus Mello-Leitão, 1926 -- see Crypsidromus
Hapalopus pentaloris (Simon, 1888) -- see Davus
Hapalopus pictus Pocock, 1903 -- see Anqasha
Hapalopus rectimanus Mello-Leitão, 1923 -- see Plesiopelma
Hapalopus semiaurantiacus (Simon, 1897) -- see Plesiopelma
Hapalopus serrapelada Fonseca-Ferreira, Zampaulo & Guadanucci, 2017 -- see Notahapalopus
Hapalopus tripepii (Dresco, 1984) -- see Nhandu
Hapalopus versicolor (Simon, 1897) -- see Cyriocosmus

In synonymy:
Hapalopus magdalena (Karsch, 1879, T from Avicularia) = Hapalopus formosus Ausserer, 1875 (Schmidt, 1995b: 11).

Nomen nudum:
Hapalopus limensis Vellard, 1954 [urn:lsid:nmbe.ch:spidersp:048939] -- Alegre, Meneses & Aguilar, 1977: 63, the description by Vellard, 1954 was not published.

Hapalopus akroa Moeller, Galleti-Lima & Guadanucci, 2024: 61, f. 11-18, 53-66 (Dmf).

Metriopelma colorata Valerio, 1982: 410, f. 3, 6 (Df).
Metriopelma colorata Pérez-Miles et al., 1996: 53 (T from Crypsidromus, rejecting Raven, 1985a: 156).
Neischnocolus coloratus Schmidt, 2003l: 177, f. 439 (f).
Hapalopus coloratus Gabriel, 2016: 86 (T from Metriopelma).
Hapalopus coloratus Gabriel & Sherwood, 2022: 8, f. 16-19 (f).

Hapalopus formosus Ausserer, 1875: 175, pl. 6, f. 17-18 (Dm).
Typhochlaena magdalena Karsch, 1879h: 106 (Dm) [urn:lsid:nmbe.ch:spidersp:057669].
Avicularia magdalenae Simon, 1892a: 171.
Hapalopus formosus Simon, 1903a: 929, f. 1080-1081.
Hapalopus formosus Schenkel, 1953a: 1, f. 1a-c (m; probably misidentified per Sherwood et al., 2024b: 6).
Hapalopus formosus Gerschman & Schiapelli, 1973b: 71, f. 79-84 (m, Df).
Hapalopus formosus Schmidt, 1986: 41, f. 9-10 (m).
Hapalopus formosus Smith, 1987d: 84, f. 41h (m).
Hapalopus formosus Schmidt, 1993d: 66, f. 98-100 (mf).
Hapalopus formosus Schmidt, 1995b: 11 (S of Avicularia magdalena).
Hapalopus formosus Pérez-Miles et al., 1996: 48, f. 22 (m).
Hapalopus formosus Schmidt, 1997g: 18, f. 135-137 (mf).
Hapalopus formosus Vol, 1999a: 11, f. J (f).
Hapalopus formosus Vol, 2001a: 7, f. 12 (m).
Hapalopus formosus Schmidt, 2003l: 132, f. 164-166 (mf).
Hapalopus formosus Pérez-Miles, 2020: 8, f. 1.8c (m).
Hapalopus formosus Sherwood et al., 2024b: 6, f. 1A-B, D, 2, 3A-L, 4A-D, 5A-E, 6A-F (mf).

Hapalopus guerreroi Benavides, Osorio, Sherwood, Gabriel, Peñaherrera-R., Hörweg, Brescovit & Lucas, in Sherwood et al., 2024b: 11, f. 7A-L, 8A-E, 9A-F (Dmf).

Hapalopus guidonae Moeller, Galleti-Lima & Guadanucci, 2024: 64, f. 5-8, 10, 67-78, 116 (Dm).

Cyriocosmus nigriventris Mello-Leitão, 1939e: 44, f. 2 (Df).
Metriopelma nigriventre Pérez-Miles, 1998b: 101 (T from Cyriocosmus).
Hapalopus nigriventris Fukushima, Bertani & Silva, 2005: 22 (T from Metriopelma).
Hapalopus nigriventris Gabriel, 2016: 78, f. 65-68 (f).

Hapalopus platnicki Sherwood et al., 2024b: 17, f. 10A-L, 11A-E, 12A-F (Dmf).

Hapalopus triseriatus Caporiacco, 1955: 276 (Df).

Hapalopus vangoghi Osorio, Benavides, Sherwood, Gabriel, Peñaherrera-R., Hörweg, Brescovit & Lucas, in Sherwood et al., 2024b: 22, f. 13A-F, 14A-B (Df).

Proshapalopus variegatus Caporiacco, 1955: 281 (Df).
Proshapalopus variegatus Huber, Samm & Schmidt, 1996: 42 (nomen dubium).
Proshapalopus variegatus Rudloff, 1997a: 5 (nomen dubium).
Metriopelma variegata Bertani, 2001: 286 (T from Proshapalopus, not a nomen dubium).
Hapalopus variegatus Gabriel, 2016: 86 (T from Metriopelma).