N.B.: removed from the synonym of Gayenna Nicolet, 1849 (contra Tullgren, 1901b: 230) and considered a senior synonym of Heterommides Strand, 1912c [urn:lsid:nmbe.ch:spidergen:04182] (replacement name for Heteromma Karsch, 1880c [urn:lsid:nmbe.ch:spidergen:04711] (type H. fuegiana), preoccupied in fossil Araneae by Menge, 1856, by Ramírez, 2003: 193.

Transferred to other genera:

Tomopisthes acupictus (Nicolet, 1849) -- see Acanthoceto

Tomopisthes backhauseni Simon, 1895 -- see Sanogasta

Tomopisthes backhauseni patagonicus Simon, 1905 -- see Sanogasta

Tomopisthes chazaliae Simon, 1897 -- see Josa

Tomopisthes conspersus Simon, 1902 -- see Sanogasta

Tomopisthes frenatus Mello-Leitão, 1947 -- see Tasata

Tomopisthes injucundus Simon, 1902 -- see Sanogasta

Tomopisthes kraepelini Simon, 1902 -- see Sanogasta

Tomopisthes lebruni Simon, 1886 -- see Negayan

Tomopisthes magellanicus Simon, 1887 -- see Negayan

Tomopisthes modestus Simon, 1902 -- see Sanogasta

Tomopisthes septentrionalis Berland, 1913 -- see Acanthoceto

Tomopisthes strigosus (Tullgren, 1901) -- see Negayan

Tomopisthes taeniatus Simon, 1886 -- see Sanogasta

Tomopisthes tripunctatus Mello-Leitão, 1945 -- see Arachosia

Tomopisthes vittatus Simon, 1884 -- see Monapia

In synonymy:

Tomopisthes argentinus (Mello-Leitão, 1940, T from Nonianus) = Tomopisthes horrendus Nicolet, 1849 (Ramírez, 2003: 193)

Tomopisthes chilensis (Tullgren, 1902, T from Gayenna) = Tomopisthes pusillus Nicolet, 1849 (Ramírez, 2003: 206)

Tomopisthes fuegianus (Karsch, 1880, T from Gayenna) = Tomopisthes horrendus Nicolet, 1849 (Ramírez, 2003: 193)

Tomopisthes immanis Simon, 1884 = Tomopisthes horrendus Nicolet, 1849 (Ramírez, 2003: 193)

Tomopisthes sica (Strand, 1908, T from Philisca) = Tomopisthes horrendus Nicolet, 1849 (Ramírez, 2003: 193)

Nomina dubia:

Tomopisthes aethiops Simon, 1903i: 312, f, Argentina) -- Ramírez, 2003: 193

Tomopisthes limbatus (Nicolet, 1849: 422, mf, Chile, originally in Clubiona) -- Ramírez, 2003: 44

Tomopisthes nubes (Nicolet, 1849: 421, f, Chile, originally in Clubiona) -- Ramírez, 2003: 44

Tomopisthes versicolor (Nicolet, 1849: 427, mf, Chile, originally in Clubiona) -- Ramírez, 2003: 44