Extant: 1 valid subspecies
Tapinoma erraticum var. simrothi Krausse, 1911a: 18 (w.) ITALY (Sardinia). Palearctic. AntCat AntWikiTaxonomic history
Emery, 1925b PDF: 49 (q.m.).Raised to species: Emery, 1925b PDF: 48; Menozzi, 1933b PDF: 77; Santschi, 1936c PDF: 204.Junior synonym of Tapinoma erraticum: Baroni Urbani, 1964b PDF: 55.Revived from synonymy, status as species: Bernard, 1967a PDF: 259; Kutter, 1977c: 182.See also: Shattuck, 1994 PDF: 154; Berville et al., 2013 PDF.