type Theridion quadriguttatum Hahn, 1833; gender feminine

Transferred to other genera:
Titanoeca albofasciata Strand, 1907 -- see Nurscia
Titanoeca albomaculata (Lucas, 1846) -- see Nurscia
Titanoeca birmanica Thorell, 1895 -- see Pandava
Titanoeca decorata Yin & Bao, 2001 -- see Taira
Titanoeca distincta (O. Pickard-Cambridge, 1872) -- see Nurscia
Titanoeca duodecimmaculata (Canestrini, 1868) -- see Nurscia
Titanoeca escheri Reimoser, 1934 -- see Anuvinda
Titanoeca fulmeki Reimoser, 1927 -- see Pandava
Titanoeca guayaquilensis Schmidt, 1971 -- see Goeldia
Titanoeca nipponica Yaginuma, 1959 -- see Nurscia
Titanoeca obscura Keyserling, 1878 -- see Goeldia
Titanoeca palpator Hu & Li, 1987 -- see Tamgrinia
Titanoeca patellaris (Simon, 1892) -- see Goeldia
Titanoeca sequerai Simon, 1892 -- see Nurscia
Titanoeca tibetana Hu & Li, 1987 -- see Tamgrinia
Titanoeca tizamina Chamberlin & Ivie, 1938 -- see Goeldia
Titanoeca yadongensis Hu & Li, 1987 -- see Tamgrinia

In synonymy:
Titanoeca anopla Chamberlin, 1947 = Titanoeca americana Emerton, 1888 (Leech, 1972: 100).
Titanoeca burjatica Danilov, 1994 = Titanoeca asimilis Song & Zhu, 1985 (Marusik, Logunov & Koponen, 2000: 119).
Titanoeca hingstoni (Hu & Li, 1987, T from Protadia = Argenna) = Titanoeca asimilis Song & Zhu, 1985 (Song, Zhu & Chen, 1999: 396).
Titanoeca kochi (Ausserer, 1867) = Titanoeca quadriguttata (Hahn, 1833) (Thaler, 1988: 118, after Thorell, 1870b: 124).
Titanoeca psammophila Wunderlich, 1993 = Titanoeca spominima (Taczanowski, 1866) (Breitling et al., 2015: 67).
Titanoeca ruficeps (O. Pickard-Cambridge, 1872, T from Amaurobius) = Titanoeca flavicoma L. Koch, 1872 (Lehtinen, 1967: 270).
Titanoeca silvicola Chamberlin & Ivie, 1947 = Titanoeca nivalis Simon, 1874 (Marusik, 1995: 126).
Titanoeca simplex (O. Pickard-Cambridge, 1872, T from Amaurobius) = Titanoeca flavicoma L. Koch, 1872 (Lehtinen, 1967: 270).
Titanoeca transbaicalica Danilov, 1994 = Titanoeca liaoningensis Zhu, Gao & Guan, 1993 (Danilov, 2008: 49).
Titanoeca zyuzini Marusik, 1995 = Titanoeca liaoningensis Zhu, Gao & Guan, 1993 (Danilov, 2008: 49).

Titanoeca altaica Song & Zhou, in Zhou, Song & Song, 1994: 23, f. 1-4 (Dmf).
Titanoeca altaica Song, Zhu & Chen, 1999: 396, f. 230R-S, V-W (mf).

Titanoeca americana Emerton, 1888: 453, pl. 10, f. 4 (Dmf).
Amaurobius americanus Emerton, 1902: 215, f. 493 (mf).
Amaurobius americanus Crosby & Bishop, 1928b: 1034.
Titanoeca americana anopla Chamberlin, 1947: 21, pl. 4, f. 35 (Df) [urn:lsid:nmbe.ch:spidersp:055432].
Titanoeca americana Kaston, 1948: 518, f. 1970, 1997-2003 (mf).
Titanoeca flavicoma Lehtinen, 1967: 270 (S of Titanoeca americana, rejected by Leech, 1972: 100).
Titanoeca anopla Lehtinen, 1967: 271 (elevated from subspecies of T. americana).
Titanoeca americana Leech, 1972: 100, f. 181-182, 377, 380 (mf, removed from S of Titanoeca flavicoma, rejecting Lehtinen, 1967: 270, S of Titanoeca anopla).
Titanoeca americana Paquin & Dupérré, 2003: 237, f. 2682-2685 (mf).
Titanoeca americana Griswold et al., 2005: 42, f. 174B-C, E, 188A-B (m).

Titanoeca asimilis Song & Zhu, 1985: 73, f. 4-7 (Dmf).
Titanoeca asimilis Zhu & Shi, 1985: 53, f. 43a-f (mf).
Titanoeca asimilis Song, 1987: 63, f. 33 (mf).
Protadia hingstoni Hu & Li, 1987a: 320, 385, f. 4.1-3, 5.1-2 (Dmf) [urn:lsid:nmbe.ch:spidersp:055434].
Titanoeca burjatica Danilov, 1994: 208, f. 43-46 (Dmf) [urn:lsid:nmbe.ch:spidersp:055433].
Titanoeca asimilis Marusik, 1995: 125, f. 2, 7-8, 16 (mf).
Titanoeca asimilis Song, Zhu & Chen, 1999: 396, f. 231A-D (mf, S of Protadia = Argenna hingstoni).
Titanoeca asimilis Marusik, Logunov & Koponen, 2000: 119 (S of Titanoeca burjatica).
Titanoeca asimilis Hu, 2001: 119, f. 35.1-4 (mf).
Titanoeca asimilis Quasin et al., 2022: 1765, f. 12-20 (mf).
Titanoeca asimilis Zhang, Peng & Zhang, 2022: 174, f. 128A-H (mf).

Titanoeca brunnea Emerton, 1888: 453, pl. 10, f. 5 (Df).
Titanoeca brunnea Leech, 1972: 102, f. 183-184, 378, 382 (f, Dm).

Titanoeca caspia Ponomarev, in Ponomarev & Shmatko, 2020b: 301, f. 9-15 (Dmf).

Titanoeca caucasica Dunin, 1985b: 932, f. 1-8 (Dmf).
Titanoeca caucasica Gündüz, 2017: 136, f. 1-4 (f).
Titanoeca caucasica Ponomarev & Shmatko, 2023b: 214, f. 18-24 (mf).

Titanoeca deltshevi Naumova, 2019: 421, f. 1-5 (Dmf).

Titanoeca eca Marusik, in Eskov & Marusik, 1995: 68, f. 83-90 (Dmf).
Titanoeca eca Marusik & Kovblyuk, 2011: 257, f. 38.5, 9-10 (mf).

Amaurobius simplex O. Pickard-Cambridge, 1872: 262 (Dj) [urn:lsid:nmbe.ch:spidersp:055440].
Amaurobius ruficeps O. Pickard-Cambridge, 1872: 264 (Dm) [urn:lsid:nmbe.ch:spidersp:055437].
Titanoeca flavicoma L. Koch, 1872d: 163 (Dmf).
Titanoeca flavicoma Simon, 1914: 42, 60, f. 83 (mf).
Titanoeca flavicoma Hubert, 1966: 239, f. 4 (f).
Titanoeca flavicoma Lehtinen, 1967: 270, f. 427, 432, 435 (m, S of Amaurobius ruficeps and A. simplex, S of A. nigrellus, Titanoeca americana, T. intermedia, T. nivalis, T. sibirica and T. silvicola all rejected by later authors).
Titanoeca flavicoma Gao, Guan & Zhu, 1993: 75, f. 6-10 (mf; probably misidentified, per Komnenov, 2014: 144).
Titanoeca flavicoma Song, Zhu & Chen, 1999: 396, f. 231E-H, L (mf; probably misidentified, per Komnenov, 2014: 144).
Titanoeca flavicoma IJland & van Helsdingen, 2016: 42, f. 23a-d, 24 (m).
Titanoeca flavicoma van Helsdingen, IJland & Komnenov, 2018: 21, f. 11a-b (f).
Titanoeca flavicoma Naumova, 2019: 424, f. 7-9 (mf).
Titanoeca flavicoma Danışman, Coşar & Erdek, 2024: 112, f. 2A-F, 3A-E, 4A-C (mf).

Titanoeca gyirongensis Hu, 2001: 120, f. 35.1-3 (Dm).

Titanoeca hispanica Wunderlich, 1995C: 733, f. 1-4, 15-16 (Dmf).
Titanoeca hispanica Iorio, 2017: 56, f. 12 (m).

Amaurobius incerta Nosek, 1905b: 120, f. 1 (Df).
Titanoeca incerta Drensky, 1940: 192, f. 27b (f).

Titanoeca intermedia Caporiacco, 1934a: 119, pl. 1, f. 5 (Dmf).
Titanoeca flavicoma Lehtinen, 1967: 270 (S of Titanoeca intermedia, rejected by Marusik, Ballarin & Omelko, 2012a: 63).
Titanoeca intermedia Marusik, Ballarin & Omelko, 2012a: 63 (removed from S of Titanoeca flavicoma, rejecting Lehtinen, 1967: 270).

Titanoeca lehtineni Fet, 1986: 65, f. 1-3 (Dmf).
Titanoeca lehtineni Omelko, 2011a: 82, f. 1-10 (mf).

Titanoeca lianyuanensis Xu, Yin & Bao, 2002a: 235, f. 1-6 (Dm).
Titanoeca lianyuanensis Yin et al., 2012: 1041, f. 541a-f (m).

Titanoeca liaoningensis Zhu, Gao & Guan, in Gao, Guan & Zhu, 1993: 74, f. 1-5 (Dmf).
Titanoeca transbaicalica Danilov, 1994: 206, f. 39-42 (Dmf) [urn:lsid:nmbe.ch:spidersp:023210].
Titanoeca zyuzini Marusik, 1995: 124, f. 1, 5-6, 13-15 (Dmf) [urn:lsid:nmbe.ch:spidersp:023216].
Titanoeca liaoningensis Song, Zhu & Chen, 1999: 396, f. 231I-K, M-N (mf).
Titanoeca liaoningensis Danilov, 2008: 49 (S of Titanoeca transbaicalica and T. zyuzini).

Titanoeca mae Song, Zhang & Zhu, 2002: 146, f. 2A-C (Df).
Titanoeca mae Zhang, Peng & Zhang, 2022: 176, f. 129A-G (Dm, f).

Titanoeca minuta Marusik, in Eskov & Marusik, 1995: 69, f. 91-93 (Df).

Dictyna monticola Simon, 1870b: 304 (Dm).
Dictyna monticola Simon, 1873a: 169, pl. 1, f. 27 (m).
Titanoeca monticola Simon, 1874a: 214, pl. 3, f. 10 (m, Df).
Amaurobius monticola Simon, 1892a: 233, f. 187 (m).
Titanoeca monticola Simon, 1914: 42, 60, f. 85 (m).
Titanoeca monticola Hubert, 1966: 239, f. 8 (f).
Titanoeca monticola Lehtinen, 1967: 459, f. 434 (f).
Titanoeca monticola Millidge, 1993c: 154, f. 58 (f).
Titanoeca monticola Breitling, 2020: 359, f. 38 (m).

Amaurobius nigrellus Chamberlin, 1919b: 2 (Df).
Titanoeca flavicoma Lehtinen, 1967: 270 (S of Amaurobius nigrellus, rejected by Leech, 1972: 96).
Titanoeca nigrella Leech, 1972: 96, f. 177-178, 375, 379 (mf, removed from S of Titanoeca flavicoma, rejecting Lehtinen, 1967: 270).

Titanoeca nivalis Simon, 1874a: 210 (Dmf).
Ciniflo nivalis Lessert, 1910b: 23, f. 25, 27, 29 (mf).
Titanoeca nivalis Simon, 1914: 43, 61, f. 87 (m).
Titanoeca silvicola Chamberlin, 1947: 22, pl. 4, f. 36 (m).
Titanoeca silvicola Chamberlin & Ivie, 1947b: 15, f. 7-8 (Dmf) [urn:lsid:nmbe.ch:spidersp:055439].
Titanoeca nivalis Hubert, 1966: 241, f. 5 (f).
Titanoeca flavicoma Lehtinen, 1967: 270 (S of Titanoeca nivalis and T. silvicola, rejected by Thaler, 1981c: 127 and Leech, 1972: 98).
Titanoeca silvicola Leech, 1972: 98, f. 179-180, 376, 381 (mf, removed from S of Titanoeca flavicoma, rejecting Lehtinen, 1967: 270).
Titanoeca flavicoma Palmgren, 1977a: 24, f. 5.25-29 (mf; here per Thaler, 1981c: 127).
Titanoeca nivalis Thaler, 1981c: 127, f. 72 (m, removed from S of Titanoeca flavicoma, rejecting Lehtinen, 1967: 270).
Titanoeca nivalis Wunderlich, 1993b: 350, f. 10 (m).
Titanoeca nivalis Marusik, 1995: 126, f. 3, 9-10, 17 (mf, S of Titanoeca silvicola).
Titanoeca nivalis Mcheidze, 1997: 52, f. 34 (f).
Titanoeca nivalis Almquist, 2007: 329, f. 288a-f (mf).

Dictyna praefixa Simon, 1870b: 303 (Dm, lapsus).
Dictyna praefica Simon, 1873a: 169, pl. 1, f. 26 (m).
Titanoeca praefica Simon, 1874a: 217.
Amaurobius praeficus Simon, 1911b: 276.
Titanoeca praefica Simon, 1914: 42, 60, f. 82 (m).
Titanoeca praefica Hubert, 1966: 242, f. 9 (Df).
Titanoeca praefica Esyunin & Efimik, 1995: 81, f. 7-8 (f).
Titanoeca praefica Lecigne, 2017: 31, f. 15F-H (f).
Titanoeca praefica Barrientos et al., 2020: 218, f. 3a-f (mf).

Aranea obscura Walckenaer, 1802: 209 (Dmf; preoccupied by Olivier, 1789, see Alopecosa trabalis, and by Fabricius, 1793, see Pisaura mirabilis).
Theridion obscurum Walckenaer, 1805: 76.
Theridion obscurum Hahn, 1833a: 83, f. 62 (mf).
Theridion 4-guttatum Hahn, 1833a: 89, f. 63-64 (Dmf).
Theridion 4-guttatum Hahn, 1836: 1, pl. 29, f. a-b (mf).
Theridion notatum Walckenaer, 1841: 334 (Dm).
Latrodectus 4-guttatus C. L. Koch, 1850: 23.
Theridion ardesiacum Dufour, 1855: 10, pl. 5, f. 8-14 (Dmf).
Eucharium obscurum Simon, 1864: 168.
Amaurobius kochi Ausserer, 1867: 162, pl. 7, f. 5 (Dm) [urn:lsid:nmbe.ch:spidersp:055436].
Titanoeca quadriguttata Thorell, 1870b: 124.
Titanoeca kochii L. Koch, 1872d: 170.
Titanoeca quadriguttata Thorell, 1873: 506.
Titanoeca quadriguttata Chyzer & Kulczyński, 1891: 163, pl. 6, f. 34 (mf).
Amaurobius quadriguttata Simon, 1892a: 237.
Titanoeca quadriguttata Becker, 1896: 227, pl. 14, f. 10 (mf).
Titanoeca quadriguttata Bösenberg, 1902: 248, pl. 23, f. 357 (mf).
Titanoeca tristis Bösenberg, 1902: 249, pl. 23, f. 359 (mf, misidentified).
Ciniflo IV-guttatus Lessert, 1910b: 22, f. 26-29 (mf).
Titanoeca obscura Kratochvíl, 1932b: 14, 24, f. 1-2, 3a-b (mf).
Titanoeca obscura Drensky, 1940: 192, f. 30 (mf).
Titanoeca obscura Wiehle, 1953: 144, f. 297-303 (mf).
Titanoeca quadriguttata Muller, 1956: 203, f. 11-12 (mf).
Titanoeca obscura Schenkel, 1963: 24, f. 6 (f).
Titanoeca obscura Hubert, 1966: 241, f. 1 (f).
Titanoeca quadriguttata Lehtinen, 1967: 459, f. 423-424, 428-429, 436-437 (f).
Titanoeca obscura Loksa, 1969: 31, f. 21B, D-F (mf).
Titanoeca obscura Miller, 1971: 67, pl. III, f. 19 (m).
Titanoeca quadriguttata Palmgren, 1977a: 24, f. 5.30-31 (mf).
Titanoeca quadriguttata Thaler, 1988: 118 (S of Titanoeca kochi).
Titanoeca obscura Hu & Wu, 1989: 60, f. 42.1-4 (mf).
Titanoeca quadriguttata Hu & Wu, 1989: 62, f. 43.1-2 (f).
Titanoeca obscura Heimer & Nentwig, 1991: 386, f. 1001 (mf).
Titanoeca quadriguttata Wunderlich, 1993b: 350, f. 7-9 (mf).
Titanoeca obscura Millidge, 1993c: 154, f. 57 (f).
Titanoeca quadriguttata Roberts, 1995: 81, f. (mf).
Titanoeca quadriguttata Roberts, 1998: 84, f. (mf).
Titanoeca quadriguttata Hu, 2001: 121, f. 37.1-4 (mf).
Titanoeca quadriguttata Demircan & Topçu, 2015: 182, f. 10A-B (f).

Titanoeca schineri L. Koch, 1872d: 159 (Dmf).
Titanoeca schineri Chyzer & Kulczyński, 1891: 163, pl. 6, f. 35 (mf).
Titanoeca schineri Simon, 1914: 42, 80, f. 84 (mf).
Titanoeca schineri Spassky, 1925: 27, f. 46 (f).
Titanoeca schineri Kratochvíl, 1932b: 17, 24, f. 3c, 4-5 (mf).
Titanoeca schineri Drensky, 1940: 192, f. 29 (mf).
Titanoeca schineri Hubert, 1966: 242, f. 3 (f).
Titanoeca schineri Loksa, 1969: 32, f. 21A, C, 22B, D (mf).
Titanoeca schineri Miller, 1971: 67, pl. III, f. 20 (m).
Titanoeca schineri Holm, 1973: 107, f. 111-112 (m).
Titanoeca schineri Heimer & Nentwig, 1991: 386, f. 1002 (mf).
Titanoeca schineri Mcheidze, 1997: 51, f. 31-33 (f).
Titanoeca schineri Zamani et al., 2016: 113, f. 47-52 (mf).

Amaurobius sharmai Bastawade, 2008: 40, f. 1-12 (Dmf).
Titanoeca sharmai Marusik, Ballarin & Omelko, 2012a: 62 (Tmf from Amaurobius).

Titanoeca sibirica L. Koch, 1879c: 84, pl. 3, f. 4 (Df).
Titanoeca flavicoma Lehtinen, 1967: 270 (S of Titanoeca sibirica, not accepted by later authors).
Titanoeca sibirica Holm, 1973: 107, f. 113-117 (mf).
Titanoeca sibirica Danilov, 1994: 206, f. 36-38 (mf).
Titanoeca sibirica Esyunin & Efimik, 1995: 81, f. 9-10 (f).
Titanoeca sibirica Marusik, 1995: 126, f. 4, 11-12, 18-20 (mf).
Titanoeca sibirica Marusik & Kovblyuk, 2011: 257, f. 38.1, 3-4, 7-8 (m).

Amaurobius spominimus Taczanowski, 1866: 4 (Df).
Titanoeca psammophila Wunderlich, 1993b: 347, f. 1-6 (Dmf) [urn:lsid:nmbe.ch:spidersp:023206].
Titanoeca psammophila Roberts, 1995: 82, f. (mf).
Titanoeca psammophila Kupryjanowicz, 1997b: 57, f. 1-4 (mf).
Titanoeca psammophila Roberts, 1998: 84, f. (mf).
Titanoeca psammophila Almquist, 2007: 330, f. 289a-e (mf).
Titanoeca spominima Breitling et al., 2015: 67 (T from Amaurobius, S of Titanoeca psammophila).
Titanoeca psammophila Wunderlich, 2017b: 313 (regards T. spominima a nomen dubium and not accepts S of T. psammophila, but gives no sufficient evidence that T. psammophila could be protected after ICZN article 23.9.1.2).
Titanoeca spominima Grbić, Hänggi & Krnjajić, 2021: 38, f. 14A-D (m).

Latrodectus tristis Koch, in Canestrini & Pavesi, 1870: 32, pl. 3, f. 9 (nomen nudum).
Titanoeca tristis L. Koch, 1872d: 167 (Dmf).
Titanoeca tristis Chyzer & Kulczyński, 1891: 163, pl. 6, f. 32 (mf).
Ciniflo tristis Lessert, 1910b: 24.
Titanoeca tristis Simon, 1914: 43, 60, f. 86 (m).
Titanoeca tristis Kratochvíl, 1932b: 17, 24, f. 3d, 6-7 (mf).
Titanoeca tristis Drensky, 1940: 192, f. 27b, 28 (mf).
Titanoeca tristis Wiehle, 1953: 148, f. 304-305 (mf).
Titanoeca tristis Hubert, 1966: 243, f. 2 (f).
Titanoeca tristis Lehtinen, 1967: 271 (S).
Titanoeca tristis Loksa, 1969: 33, f. 20D, 22C (mf).
Titanoeca tristis Tystshenko, 1971: 60, f. 87, 89 (mf).
Titanoeca tristis Heimer & Nentwig, 1991: 384, f. 999 (mf).
Titanoeca tristis Wunderlich, 1995C: 734, f. 5-6, 13-14 (mf).
Titanoeca tristis Naumova, 2019: 426, f. 11 (m).

Titanoeca turkmenia Wunderlich, 1995C: 735, f. 7-10 (Dm).
Titanoeca turkmenia Naumova, 2019: 426, f. 10 (m).

Titanoeca ukrainica Guryanova, 1992: 16, f. 3.1-2 (Dm).
Titanoeca ukrainica Ponomarev, 2008b: 79, f. 1a (Df).
Titanoeca ukrainica Zamani, Nadolny & Dolejš, 2022: 566, f. 8I-J (m).
Titanoeca ukrainica Seropian et al., 2023: 291, f. S7 (m).

Titanoeca veteranica Herman, 1879: 351, pl. 7, f. 155 (Dmf).
Titanoeca veteranica Chyzer & Kulczyński, 1891: 163, pl. 6, f. 33 (mf).
Titanoeca veteranica Kratochvíl, 1932b: 19, 24, f. 3d, 8-9 (mf).
Titanoeca tristis Lehtinen, 1967: 271 (S, rejected).
Titanoeca veteranica Loksa, 1969: 32, f. 20C, 22A, E (mf).
Titanoeca veteranica Tystshenko, 1971: 60, f. 86, 88 (mf).
Titanoeca veteranica Miller, 1971: 67, pl. III, f. 21 (m).
Titanoeca veteranica Wunderlich, 1995C: 735, f. 11-12, 17 (mf).
Titanoeca veteranica Naumova, 2019: 426, f. 12 (m).
Titanoeca veteranica Nadolny, 2020: 57, f. 1.13-14 (m).