In synonymy:
Notionella Banks, 1905 = Ceratinopsis Emerton, 1882 (Bishop & Crosby, 1930: 19)

type Erigone interpres O. Pickard-Cambridge, 1874; gender feminine

N.B.: considered a senior synonym of Notionella Banks, 1905a: 312 [urn:lsid:nmbe.ch:spidergen:06076] (type Erigone interpres O. Pickard-Cambridge, 1874) by Bishop & Crosby, 1930: 19; not a senior synonym of Styloctetor Simon, 1884 (itself not a senior synonym of Moebelia Dahl, 1886) or Anacotyle Simon, 1926 (Marusik & Tanasevitch, 1998: 154, contra Wunderlich, 1970: 406); not a junior synonym of Sphecozone O. Pickard-Cambridge, 1870 (Millidge, 1991: 165, contra Wunderlich, 1987a: 170); see Micrargus and note under Ceratinella.

Transferred to other genera:
Ceratinopsis anglicana (Hentz, 1850) -- see Tutaibo
Ceratinopsis antarctica Simon, 1895 -- see Intecymbium
Ceratinopsis araeonciformis Simon, 1895 -- see Sphecozone
Ceratinopsis asiatica (Andreeva & Tystshenko, 1970) -- see Styloctetor
Ceratinopsis austera (L. Koch, 1884) -- see Styloctetor
Ceratinopsis austriaca (Kulczyński, 1898) -- see Trichoncoides
Ceratinopsis bogotensis (Keyserling, 1886) -- see Triplogyna
Ceratinopsis distincta (Nicolet, 1849) -- see Sphecozone
Ceratinopsis diversicolor (Keyserling, 1886) -- see Sphecozone
Ceratinopsis edax (Keyserling, 1886) -- see Mermessus
Ceratinopsis eutypa Chamberlin, 1949 -- see Scotinotylus
Ceratinopsis frontatus Banks, 1892 -- see Maso
Ceratinopsis incauta (O. Pickard-Cambridge, 1872) -- see Styloctetor
Ceratinopsis logunovi Eskov & Marusik, 1994 -- see Styloctetor
Ceratinopsis melanura Simon, 1908 -- see Ostearius
Ceratinopsis modesta (Nicolet, 1849) -- see Sphecozone
Ceratinopsis nigriana (Keyserling, 1886) -- see Sphecozone
Ceratinopsis obscura Emerton, 1919 -- see Styloctetor
Ceratinopsis okhotensis Eskov, 1993 -- see Styloctetor
Ceratinopsis orientalis Eskov, 1989 -- see Styloctetor
Ceratinopsis penicillatus (Westring, 1851) -- see Moebelia
Ceratinopsis purpurescens (Keyserling, 1886) -- see Styloctetor
Ceratinopsis romana (O. Pickard-Cambridge, 1872) -- see Styloctetor
Ceratinopsis rubicunda (Keyserling, 1886) -- see Sphecozone
Ceratinopsis simplex (Kulczyński, 1908) -- see Semljicola
Ceratinopsis stativa (Simon, 1882) -- see Styloctetor
Ceratinopsis taurica (Thorell, 1875) -- see Styloctetor
Ceratinopsis tumidosa (Keyserling, 1886) -- see Sphecozone
Ceratinopsis tybeensis Chamberlin & Ivie, 1944 -- see Masonetta

In synonymy:
Ceratinopsis calcarata (Keyserling, 1886, T from Porrhomma) = Ceratinopsis laticeps Emerton, 1882 (Bishop & Crosby, 1930: 21).
Ceratinopsis similis Banks, 1896 = Ceratinopsis nigripalpis Emerton, 1882 (Bishop & Crosby, 1930: 23).
Ceratinopsis tarsalis Emerton, 1924 = Ceratinopsis nigripalpis Emerton, 1882 (Bishop & Crosby, 1930: 23).

Nomina dubia:
Ceratinopsis jelskii (Keyserling, 1886b: 216, pl. 19, f. 273, f, French Guiana, originally in Erigone) -- Miller, 2007a: 176.
Ceratinopsis michaelseni Simon, 1902h: 20 (j, Argentina) -- Miller, 2007a: 176, after Millidge, 1985: 72.
Ceratinopsis pallida Caporiacco, 1955: 325, f. 20a-d (m, Venezuela) -- Miller, 2007a: 176.
Ceratinopsis purpurea (Keyserling, 1886b: 218, pl. 19, f. 275, mf, Mexico, originally in Erigone) -- Miller, 2007a: 176.
Ceratinopsis ruberrima Franganillo, 1926a: 51 (mf, Cuba) -- Alayón & Sherwood, 2022: 611.

Gonatium acripes Denis, 1962a: 71, f. 63 (Df).
Grammonota acripes Denis, 1965h: 769, f. 1-8 (Dm, f, T from Gonatium).
Sphecozone acripes Wunderlich, 1987a: 172, f. 471-472 (mf, T from Grammonota).
Ceratinopsis acripes Wunderlich, 1995b: 423 (T from Sphecozone).

Entelecara africana Holm, 1962: 91, f. 28a-b, pl. III, f. 2 (Df).
Styloctetor africanus Bosmans, 1977: 456, f. 3a-3 (Dm, f, T from Entelecara).
Ceratinopsis africana Locket & Russell-Smith, 1980: 68, f. 44-46 (m, T from Styloctetor).
Ceratinopsis africana Locket, 1982: 361, f. 6 (f).

Ceratinopsis tarsalis Emerton, 1924a: 141, f. 2b (Df; not m).
Ceratinopsis atolmus Chamberlin, 1925c: 110, f. 11-12 (Dm).
Ceratinopsis atolma Bishop & Crosby, 1930: 17, pl. 3, f. 5-7 (m).
Ceratinopsis atolma Kaston, 1945b: 7, f. 29 (f).
Ceratinopsis atolma Kaston, 1948: 203, f. 560 (f).

Ceratinopsis auriculatus Emerton, 1909: 185, pl. 2, f. 9 (Dm).
Ceratinopsis auriculatus Bishop & Crosby, 1930: 18, pl. 3, f. 8-11, pl. 4, f. 12-13 (m, Df).
Ceratinopsis auriculata Kaston, 1948: 204, f. 603-605 (m).
Ceratinopsis auriculata Paquin & Dupérré, 2003: 95, f. 867-870 (mf).

Styloctetor benoiti Holm, 1968b: 10, f. 16-20 (Dmf).
Ceratinopsis benoiti Locket & Russell-Smith, 1980: 68, f. 42-43 (m, T from Styloctetor).
Ceratinopsis benoiti Scharff, 1990a: 21, f. 31 (f).

Ceratinopsis bicolor Banks, 1896e: 67 (Dj).

Ceratinopsis blesti Locket, 1982: 362, f. 7-9 (Dm).

Ceratinopsis bona Chamberlin & Ivie, 1944: 63, f. 112, 129 (Dmf).

Ceratinopsis crosbyi Chamberlin, 1949: 510, f. 38 (Df).

Ceratinopsis delicata Chamberlin & Ivie, 1939a: 67, f. 43-45 (Dmf).

Ceratinopsis dippenaari Jocqué, 1984b: 122, f. 1-2 (Df; N.B.: patronym for Anna Dippennaar-Schoeman, 'lapsus calami' per ICZN Article 32.5.1., see FAQ 6).

Grammonota disparata Dondale, 1959: 237, f. 5, 11, 16, 19 (Dmf).
Ceratinopsis disparata Ivie, 1967: 127 (T from Grammonota).

Ceratinopsis fako Bosmans & Jocqué, 1983: 589, f. 4a-e (Dmf).

Ceratinopsis georgiana Chamberlin & Ivie, 1944: 64, f. 116, 125-126 (Dmf).

Ceratinopsis gosibia Chamberlin, 1949: 512, f. 29-32 (Dmf).

Ceratinopsis guerrerensis Gertsch & Davis, 1937: 28, f. 42-43 (Dm).

Ceratinopsis holmi Jocqué, 1981a: 490, f. 34-36 (Dm).
Ceratinopsis holmi Jocqué & Scharff, 1986: 45, f. 146 (Df).

Ceratinopsis idanrensis Locket & Russell-Smith, 1980: 66, f. 32-36, 38 (Dmf).
Ceratinopsis idanrensis Scharff, 1990a: 21, f. 33 (f).

Gonatium acripes infuscatum Denis, 1962a: 72, f. 64-66 (Df).
Grammonota acripes infuscata Brignoli, 1983c: 340.
Sphecozone infuscata Wunderlich, 1987a: 171, f. 468-470 (Dm, f, T from Grammonota, elevated from subspecies of S. acripes).
Ceratinopsis infuscata Wunderlich, 1995b: 423 (T from Sphecozone).

Erigone interpres O. Pickard-Cambridge, 1874b: 430, pl. 55, f. 1 (Dmf).
Ceratinopsis interpres Emerton, 1882: 37, pl. 9, f. 1 (mf).
Erigone interpres Keyserling, 1886b: 144, pl. 16, f. 212 (mf).
Ceratinopsis interpres Emerton, 1902: 153, f. 377-378 (mf).
Notionella interpres Banks, 1905a: 312.
Ceratinopsis interpres Bishop & Crosby, 1930: 19, pl. 4, f. 14-17 (mf, T from Notionella).
Ceratinopsis interpres Kaston, 1948: 202, f. 552-557 (mf).
Ceratinopsis interpres Paquin & Dupérré, 2003: 95, f. 871-874 (mf).
Ceratinopsis interpres Miller & Hormiga, 2004: 419, f. 19A (m).
Ceratinopsis interpres Miller, 2007a: 176, f. 135A-C, 136A-F, 142A (mf).

Ceratinopsis interventa Chamberlin, 1949: 514, f. 34 (Df).

Ceratinopsis labradorensis Emerton, 1925: 66, f. 1 (Dm).
Ceratinopsis labradorensis Paquin & Dupérré, 2003: 96, f. 875-878 (mf).

Ceratinopsis laticeps Emerton, 1882: 37, pl. 9, f, 3 (Dm).
Erigone calcarata Keyserling, 1886b: 181, pl. 17, f. 240 (Dm) [urn:lsid:nmbe.ch:spidersp:058975].
Erigone laticeps Marx, 1890a: 534.
Porrhomma calcaratum Simon, 1894a: 682.
Ceratinopsis laticeps Crosby, 1905a: 316 (T from Erigone).
Ceratinopsis laticeps Bishop & Crosby, 1930: 21, pl. 4, f. 18-21 (m, Df, S of Porrhomma calcaratum).
Ceratinopsis laticeps Kaston, 1948: 204, f. 606-609 (m).

Ceratinopsis locketi Millidge, 1995: 41, f. 7-11 (Dmf).

Styloctetor machadoi Miller, 1970: 128, pl. XXXI, f. 1-6, pl. XXXII, f. 1-5 (Dmf).
Ceratinopsis machadoi Locket & Russell-Smith, 1980: 66, f. 29-31, 37, 39-41 (mf).
Sphecozone machadoi Wunderlich, 1987a: 172 (T from Ceratinopsis).
Ceratinopsis machadoi Scharff, 1990a: 21, f. 32 (f, T from Sphecozone; see also Scharff, 1990b: 125).

Ceratinopsis mbamensis Bosmans, 1988: 9, f. 2a-e (Dmf).

Lygarina monticola Simon, 1894a: 648 (Dmf).
Ceratinopsis monticola Millidge, 1995: 41, f. 5-6 (mf, T from Lygarina).

Egilona munda O. Pickard-Cambridge, 1896a: 188, pl. 23, f. 7 (Dm).
Ceratinopsis munda Simon, 1903a: 996.
Liger incompta Levi & Levi, 1962: 65, f. 328-329 (m, misidentified).
Ceratinopsis munda Miller, 2007a: 176, f. 135D-E (m).

Ceratinopsis nigriceps Emerton, 1882: 37, pl. 9, f. 2 (Dmf).
Erigone nigriceps Marx, 1890a: 534.
Ceratinopsis nigriceps Bishop & Crosby, 1930: 22, pl. 4-5, f. 22-26 (mf).
Ceratinopsis nigriceps Kaston, 1945b: 7, f. 30 (f).
Ceratinopsis nigriceps Kaston, 1948: 202, f. 559, 610-613 (mf).
Ceratinopsis nigriceps Paquin & Dupérré, 2003: 96, f. 879-882 (mf).

Ceratinopsis nigripalpis Emerton, 1882: 38, pl. 9, f. 4 (Dm).
Erigone nigripalpis Marx, 1890a: 534.
Ceratinopsis similis Banks, 1896e: 67 (Dm) [urn:lsid:nmbe.ch:spidersp:058976].
Ceratinopsis tarsalis Emerton, 1924a: 141, f. 2 (Dmf) [urn:lsid:nmbe.ch:spidersp:058977].
Ceratinopsis nigripalpis Bishop & Crosby, 1930: 23, pl. 5, f. 27-28 (m, S of Ceratinopsis similis and C. tarsalis).
Ceratinopsis nigripalpis Kaston, 1945b: 7, f. 28 (f).
Ceratinopsis nigripalpis Kaston, 1948: 203, f. 558, 599-602 (mf).
Ceratinopsis nigripalpis Paquin & Dupérré, 2006: 12, f. 21-24 (mf).

Troxochrus (?) nitidus Holm, 1964: 107, f. 8 (Df).
Ceratinopsis nitidus Bosmans, 1988: 9, f. 3a-b (f, T from Troxochrus).

Ceratinopsis oregonicola Chamberlin, 1949: 510, f. 37 (Df).

Ceratinopsis orientalis Locket, 1982: 361, f. 2-5 (Dmf).
Ceratinopsis orientalis Komisarenko, Omelko & Marusik, 2019: 29, f. 5-7 (m).

Ceratinopsis palomara Chamberlin, 1949: 511, f. 39-40 (Df).

Ceratinopsis raboeli Scharff, 1989: 13, f. 1-6 (Dmf).

Ceratinopsis rosea Banks, 1898b: 241, pl. 14, f. 15 (Dm).

Ceratinopsis secuta Chamberlin, 1949: 512, f. 35 (Df).

Anacotyle setoensis Oi, 1960a: 167, f. 125-129 (mf).
Anacotyle setoensis Oi, 1960b: 5, f. 5-9 (Dmf).
Ceratinopsis setoensis Brignoli, 1983c: 330.
Anacotyle setoensis Irie, 1985: 5, f. 21-22 (mf).
Ceratinopsis setoensis Irie & Saito, 1987: 19, f. 8-9 (mf).
Ceratinopsis setoensis Namkung, 2002: 196, f. 17.48a (f).
Ceratinopsis setoensis Namkung, 2003: 198, f. 17.48a (f).
Ceratinopsis setoensis Lee, Kang & Kim, 2009: 121, f. 13a-b (f).
Ceratinopsis setoensis Ono, Matsuda & Saito, 2009: 265, f. 80-83 (mf).

Ceratinopsis sinuata Bosmans, 1988: 10, f. 3e-f (Df).

Ceratinopsis sutoris Bishop & Crosby, 1930: 27, pl. 6, f. 36-38 (Dmf).

Ceratinopsis swanea Chamberlin & Ivie, 1944: 66, f. 117, 127-128 (Dmf).

Ceratinopsis sylvania Chamberlin & Ivie, 1944: 66, f. 118, 132-133 (Dmf).

Ceratinopsis watsinga Chamberlin, 1949: 516, f. 33 (Df).

Erigone xanthippe Keyserling, 1886b: 192, pl. 18, f. 251 (Df).
Ceratinopsis xanthippe Crosby, 1905a: 317.

Ceratinopsis yola Chamberlin & Ivie, 1939a: 67, f. 41-42 (Dm).