In synonymy:
Coelogenium Purcell, 1902 = Ceratogyrus Pocock, 1897 (Gallon, 2001: 2)

type Ceratogyrus darlingii Pocock, 1897; gender masculine

N.B.: considered a senior synonym of Coelogenium Purcell, 1902a: 337 [urn:lsid:nmbe.ch:spidergen:05099] (type C. pillansi Purcell, 1902) by Gallon, 2001: 2 (contra Charpentier, 1993: 5, who suggested the placement of that name as a junior synonym of Pterinochilus Pocock, 1897 without examination of type material).

Transferred to other genera:
Ceratogyrus ezendami Gallon, 2001 -- see Augacephalus
Ceratogyrus nigrifemur (Schmidt, 1995) -- see Augacephalus
Ceratogyrus raveni (Smith, 1990) -- see Pterinochilus

In synonymy:
Ceratogyrus bechuanicus Purcell, 1902 = Ceratogyrus darlingi Pocock, 1897 (Gallon, 2008: 238).
Ceratogyrus cornuatus De Wet & Dippenaar-Schoeman, 1991 = Ceratogyrus marshalli Pocock, 1897 (Gallon, 2001: 10).
Ceratogyrus schultzei Purcell, 1908 = Ceratogyrus darlingi Pocock, 1897 (De Wet & Dippenaar-Schoeman, 1991: 45, sub C. bechuanicus).

Ceratogyrus attonitifer Engelbrecht, in Midgley & Engelbrecht, 2019: 5, f. 2B-C, 3A-C, 4A-B (Df).

Ceratogyrus brachycephalus Hewitt, 1919b: 103, pl. 1, f. a-c (Df).
Ceratogyrus brachycephalus Lessert, 1936: 208, f. 104 (f, Dm).
Ceratogyrus brachycephalus De Wet & Dippenaar-Schoeman, 1991: 50, f. 4D, 8A-D (f).
Ceratogyrus brachycephalus Peters, 1998: 16, f. 33 (f).
Ceratogyrus brachycephalus Peters, 2000a: 81, f. 267 (f).

Ceratogyrus darlingii Pocock, 1897b: 754, pl. 42, f. 5, pl. 43, f. 1 (Df).
Ceratogyrus bechuanicus Purcell, 1902a: 339 (Dm) [urn:lsid:nmbe.ch:spidersp:001869].
Ceratogyrus darlingi Simon, 1903a: 948, f. 1098.
Ceratogyrus schultzei Purcell, 1908: 213 (Df) [urn:lsid:nmbe.ch:spidersp:057173].
Ceratogyrus bechuanicus Lawrence, 1936: 145 (Df).
Ceratogyrus bechuanicus Smith, 1987d: 128, pl. 3, f. 51h (m).
Ceratogyrus darlingii Smith, 1987d: 128, pl. 3, f. 53h (m).
Ceratogyrus darlingii Smith, 1989a: 13, unnumbered f. (f).
Ceratogyrus bechuanicus Smith, 1990c: 70, f. 317a-330a (m).
Ceratogyrus dolichocephalus Smith, 1990c: 73, f. 347, 351-355 (m, misidentified).
Ceratogyrus darlingi Smith, 1990c: 71, f. 331-342 (mf).
Ceratogyrus bechuanicus De Wet & Dippenaar-Schoeman, 1991: 45, f. 4E-F, 5A-C, 6A-B, 7A-J (mf, S of Ceratogyrus schultzei).
Ceratogyrus darlingii De Wet & Dippenaar-Schoeman, 1991: 54, f. 4G, 11A-D (f).
Ceratogyrus bechuanicus Schmidt, 1993d: 116, f. 356 (f).
Ceratogyrus darlingi Schmidt, 1993d: 116, f. 357-360 (mf).
Ceratogyrus bechuanicus Peters, 1998: 16, f. 32 (f).
Ceratogyrus darlingi Peters, 1998: 16, f. 35 (f).
Ceratogyrus bechuanicus Peters, 2000a: 80, f. 283 (f).
Ceratogyrus darlingi Peters, 2000a: 83, f. 275-279 (mf).
Ceratogyrus bechuanicus Schmidt, 2003l: 223, f. 675-677; 256, f. 17 (mf).
Ceratogyrus darlingi Schmidt, 2003l: 223, f. 679-681; 256, f. 18 (mf).
Ceratogyrus darlingi Gallon, 2008: 238, pl. 5-6, 9, f. 19-37 (mf, S of Ceratogyrus bechuanicus).

Ceratogyrus dolichocephalus Hewitt, 1919b: 104, pl. 1d (Df, not m, pl. 2a =C. marshalli).
Ceratogyrus dolichocephalus Smith, 1990c: 73, f. 343-346, 348-350 (f, not m, =C. bechuanicus).
Coelogenium pillansi Smith, 1990c: 75, f. 366-376j (mf, misidentified).
Ceratogyrus dolichocephalus De Wet & Dippenaar-Schoeman, 1991: 57, f. 4C, 13A-C (f).
Coelogenium pillansi Schmidt, 1993d: 116, f. 361-363 (mf, misidentified).
Ceratogyrus dolichocephalus Peters, 1998: 16, f. 36 (f).
Coelogenium pillansi Gallon, 1999: 8, f. 1-2 (m, misidentified).
Ceratogyrus dolichocephalus Gallon, 2001: 4, f. 1-9 (mf).
Ceratogyrus dolichocephalus Schmidt, 2003l: 223, f. 682-685 (mf).

Coelogenium hillyardi Smith, 1990c: 77, f. 365a-365k (Df).
Ceratogyrus hillyardi Gallon, 2001: 9, f. 18-21 (f).
Ceratogyrus hillyardi Schmidt, 2003l: 223, f. 689 (f).

Ceratogyrus marshalli Pocock, 1897b: 754, pl. 43, f. 2 (Dm).
Ceratogyrus dolichocephalus Hewitt, 1919b: 104, pl. 2a (m only, misidentified).
Ceratogyrus marshalli Smith, 1986b: 128, f. 55h (m).
Ceratogyrus marshalli Smith, 1987d: 128, f. 55h (m).
Ceratogyrus marshalli Smith, 1990c: 74, f. 356-365 (m, Df).
Ceratogyrus cornuatus De Wet & Dippenaar-Schoeman, 1991: 52, f. 3B, 4H, 10A-D (Df) [urn:lsid:nmbe.ch:spidersp:001871].
Ceratogyrus marshalli De Wet & Dippenaar-Schoeman, 1991: 60, f. 3A, 4A, 15A-C (m).
Ceratogyrus cornuatus Peters, 1998: 16, f. 34 (f).
Ceratogyrus marshalli Peters, 1998: 16, f. 38 (f).
Ceratogyrus cornuatus Peters, 2000a: 82, f. 272 (f).
Ceratogyrus marshalli Gallon, 2001: 10, f. 22-33 (mf, S of Ceratogyrus cornuatus).
Ceratogyrus marshalli Schmidt, 2003l: 223, f. 690-693 (mf).

Pterinochilus meridionalis Hirst, 1907b: 35, f. 2 (Dm).
Pterinochilus meridionalis Roewer, 1953b: 71, f. 28-29 (m).
Pterinochilus meridionalis Smith, 1986b: 135, f. 80h (m).
Pterinochilus meridionalis Smith, 1987d: 135, f. 80h (m).
Pterinochilus meridionalis Smith, 1990c: 97, f. 525-534 (m).
Pterinochilus meridionalis Peters, 2000b: 100, f. 282 (m).
Ceratogyrus meridionalis Gallon, 2001: 11, f. 34-42 (Tm from Pterinochilus, Df).
Ceratogyrus meridionalis Schmidt, 2003l: 224, f. 694-695 (mf).

Ceratogyrus paulseni Gallon, 2005c: 179, f. 1-7 (Df).
Ceratogyrus paulseni Gallon, 2010a: 32, pl. 13-14, f. 8-13 (Dm).

Coelogenium pillansi Purcell, 1902a: 338 (Dj).
Ceratogyrus pillansi Gallon, 2001: 15, f. 43-50 (Dmf).
Ceratogyrus pillansi Schmidt, 2003l: 224, f. 696-697 (mf).

Ceratogyrus sanderi Strand, 1906h: 23 (Dm).
Ceratogyrus sanderi Strand, 1907f: 239 (Df).
Ceratogyrus sanderi De Wet & Dippenaar-Schoeman, 1991: 62, f. 4B, 16A-C, 17A-B (mf).
Ceratogyrus sanderi Peters, 1998: 16, f. 37 (f).
Ceratogyrus sanderi Peters, 2000a: 84, f. 282-284 (mf).