In synonymy:
Cydippe O. Pickard-Cambridge, 1871 = Cydrela Thorell, 1873 (Thorell, 1873: 598, preoccupied, replacement name)

type Cydippe unguiculata O. Pickard-Cambridge, 1871; gender feminine

N.B.: replacement name for Cydippe O. Pickard-Cambridge, 1871b: 731 [urn:lsid:nmbe.ch:spidergen:04788], preoccuppied in Tentaculata by Eschscholtz, 1829.

Transferred to other genera:
Cydrela aculeata (Karsch, 1878) -- see Psammorygma
Cydrela biunguis Strand, 1913 -- see Systenoplacis
Cydrela brunnea Marx, 1893 -- see Capheris
Cydrela escheri (Reimoser, 1934) -- see Capheris
Cydrela falconeri Caporiacco, 1949 -- see Systenoplacis
Cydrela kreagra Nzigidahera & Jocqué, 2010 -- see Murphydrela
Cydrela maculata Marx, 1893 -- see Systenoplacis
Cydrela multipunctata Berland, 1920 -- see Systenoplacis
Cydrela neptuna Nzigidahera & Jocqué, 2010 -- see Murphydrela
Cydrela nitidiceps (Simon, 1905) -- see Capheris
Cydrela rutilans Simon, 1887 -- see Psammorygma
Cydrela stillata (Simon, 1905) -- see Capheris

Cydrela albopilosa Simon & Fage, 1922: 538, f. 5(3-4) (Dm).

Cydrela decidua Dankittipakul & Jocqué, 2006: 97, f. 13, 23-24 (Df).

Cydrela friedlanderae Hewitt, 1914a: 35, f. 6-8 (Df).
Cydrela friedlanderae Hewitt, 1916b: 212, f. 11(5).
Cydrela friedlanderae Dippenaar-Schoeman et al., 2024: 47, f. 1-9 (mf).

Capheris insularis Pocock, 1899c: 41 (Df).
Capheris insularis Pocock, 1903g: 195, pl. 26, f. 4 (f).
Cydrela insularis Jocqué, 1991a: 120 (T from Capheris).

Cydrela kenti Lessert, 1933: 101, f. 15-16 (Dm).

Cydrela likui Lin & Li, in Lin, Li & Pham, 2023: 84, f. 74A-B, 75A-B, 84C-D (Dmf).

Storena linzhiensis Hu, 2001: 92, f. 14.1-6 (Dm).
Cydrela linzhiensis Dankittipakul & Jocqué, 2006: 100 (T from Storena).
Cydrela linzhiensis Wang et al., 2024c: 188, f. 4A-G (m, Df).

Cydrela nasuta Lessert, 1936: 230, f. 26-28 (Dm).

Cydrela otavensis Lawrence, 1928: 236, pl. 21, f. 19 (Df).

Cydrela pristina Dankittipakul & Jocqué, 2006: 94, f. 1-12, 14-22 (Dmf).

Cydrela schoemanae Jocqué, 1991a: 121, f. 289-295, 313 (Dmf).
Cydrela schoemanae Dippenaar-Schoeman et al., 2024: 48, f. 1-5 (mf).

Cydrela spinifrons Hewitt, 1915b: 101 (Df).
Cydrela spinifrons Hewitt, 1916b: 212, f. 11(2, 4).
Cydrela spinifrons Dippenaar-Schoeman et al., 2024: 49, f. 1-5 (f).

Cydrela spinimanus Pocock, 1898c: 218, pl. 8, f. 10 (Dm).
Cydrela spinimana Dippenaar-Schoeman et al., 2024: 50, f. 1-4 (m).

Cydippe stigmatica Simon, 1876d: 87 (Dm).
Cydrela stigmatica Simon, 1893a: 417, f. 381-382 (m).

Cydippe unguiculata O. Pickard-Cambridge, 1871b: 731, pl. 44, f. 2 (Dm).
Cydrela unguiculata Pavesi, 1881: 545.
Cydrela unguiculata Jocqué, 1991a: 120, f. 285-288 (m).
Cydrela unguiculata Dippenaar-Schoeman et al., 2024: 51, f. 1-4 (m).