type Campanicola formosana Yoshida, 2015; gender feminine

In synonymy:
Campanicola mea (Bösenberg & Strand, 1906) = Campanicola ferrumequina (Bösenberg & Strand, 1906) (Ono, 1981c: 2, sub Theridion).

Campanicola anguilliformis Li & Liu, in Li et al., 2021a: 104, f. 7A-H (Df).

Achaearanea campanulata Chen & Zhang, 1991: 138, f. 130.1-5 (mf; nomen nudum).
Achaearanea campanulata Chen, 1993: 36, f. 1-5 (Dmf).
Achaearanea campanulata Zhu, 1998: 88, f. 50A-E (mf).
Achaearanea campanulata Song, Zhu & Chen, 1999: 86, f. 38E-F, M-N (mf).
Parasteatoda campanulata Yoshida, 2008: 39 (T from Achaearanea).
Achaearanea campanulata Zhu & Zhang, 2011: 71, f. 36A-E (mf).
Achaearanea campanulata Yin et al., 2012: 250, f. 80a-e (mf).
Campanicola campanulata Yoshida, 2015: 33 (T from Parasteatoda).
Campanicola campanulata Jin, 2018: 15, f. 4-4.A-C, pl. 3 (f).
Campanicola campanulata Li et al., 2021a: 97, f. 1A-F, 2A-F, 3A-C (mf).

Campanicola chitouensis Yoshida, 2015: 36, f. 34-38 (Dmf).

Campanicola falciformis Li & Liu, in Li et al., 2021a: 106, f. 8A-H (Df).

Theridion ferrum-equinum Bösenberg & Strand, 1906: 139, pl. 12, f. 261 (Dmf).
Theridion meum Bösenberg & Strand, 1906: 145, pl. 12, f. 294 (Df) [urn:lsid:nmbe.ch:spidersp:060525].
Theridion ferrum-equinum Oi, 1957: 45, f. 1-2, 3.4-6 (f).
Theridion ferrum-equinum Yaginuma, 1958f: 70, f. 2, 7 (f).
Theridion ferrumequinum Saito, 1959: 70, f. 65a-c (f).
Theridion ferrumequinum Yaginuma, 1960: 36, f. 34.5 (f).
Theridion ferrumequinum Yaginuma, 1971: 36, f. 34.5 (f).
Theridion ferrumequinum Ono, 1981c: 2, f. 1 (f, S of Theridion meum).
Achaearanea ferrumequina Yoshida, 1983b: 40 (T from Theridion).
Achaearanea ferrumequinum Yaginuma, 1986a: 34, f. 19.8 (f).
Achaearanea ferrumequinum Chikuni, 1989b: 31, f. 5 (mf).
Achaearanea ferrumequina Zhu, 1998: 99, f. 56A-C (f).
Achaearanea ferrumequina Song, Zhu & Chen, 1999: 90, f. 39G-H (f).
Achaearanea ferrumequina Yoshida, 2000b: 140, f. 4-7 (mf).
Achaearanea ferrumequina Namkung, 2002: 85, f. 13.3a-b (mf).
Achaearanea ferrumequina Namkung, 2003: 87, f. 13.3a-b (mf).
Achaearanea ferrumequina Yoshida, 2003a: 102, f. 250-253, 574 (mf).
Parasteatoda ferrumequina Yoshida, 2008: 39 (T from Achaearanea).
Parasteatoda ferrumequina Yoshida, 2009b: 382, f. 258-259 (mf).
Achaearanea ferrumequina Yin et al., 2012: 255, f. 84a-e (mf).
Campanicola ferrumequina Yoshida, 2015: 33 (T from Parasteatoda).
Campanicola ferrumequina Li et al., 2021a: 101, f. 4A-H, 5A-F, 6A-C (mf).

Campanicola formosana Yoshida, 2015: 34, f. 28-33 (Dmf).
Campanicola formosana Vanuytven, 2021: 45, 87, f. A.34c, B.46a-c (m).

Campanicola heteroidea Li & Liu, in Li et al., 2021a: 108, f. 9A-G (Df).

Campanicola tanakai Yoshida, 2015: 36, f. 39-43 (Dmf).

Campanicola tauricornis Li & Liu, in Li et al., 2021a: 110, f. 10A-G (Df).

Campanicola volubilis Li & Liu, in Li et al., 2021a: 112, f. 11A-G (Df).