Taxonomic history
Emery, 1890c PDF: 75 (s.q.); Emery, 1896h PDF: 636 (m.); Wheeler & Wheeler, 1954b PDF: 156 (l.).Combination in Cryptocerus (Paracryptocerus): Emery, 1915g PDF: 192.Combination in Paracryptocerus: Kempf, 1951 PDF: 176.Combination in Paracryptocerus (Paracryptocerus): Kempf, 1958a: 14.Combination in Zacryptocerus: Brandão, 1991 PDF: 388.Combination in Cephalotes: Baroni Urbani, 1998b: 316; De Andrade & Baroni Urbani, 1999 PDF: 172.Status as species: Guérin-Méneville, 1844a PDF: 426; Smith, 1853 PDF: 220; Smith, 1858a PDF: 190; Smith, 1862d PDF: 410; Mayr, 1863a PDF: 406; Roger, 1863b PDF: 38; Dalla Torre, 1893 PDF: 144; Forel, 1895b PDF: 134; Emery, 1896h PDF: 636; Forel, 1905e PDF: 158; Emery, 1906c PDF: 170; Forel, 1906d PDF: 234; Forel, 1907h PDF: 3; Forel, 1908 PDF: 354; Forel, 1908a PDF: 69; Forel, 1909a PDF: 257; Forel, 1912f PDF: 201; Bruch, 1914 PDF: 218; Wheeler, 1916c PDF: 12; Wheeler, 1916f PDF: 326; Mann, 1916 PDF: 450; Crawley, 1916b PDF: 371; Santschi, 1916e PDF: 383; Luederwaldt, 1918 PDF: 41; Wheeler, 1918b PDF: 26; Santschi, 1921h PDF: 127; Wheeler, 1922e PDF: 11; Wheeler, 1923a PDF: 4; Emery, 1924f PDF: 307; Wheeler, 1925a: 36; Borgmeier, 1927c PDF: 116; Menozzi, 1935b PDF: 197; Eidmann, 1936b PDF: 83; Wheeler, 1942 PDF: 209; Kempf, 1951 PDF: 176 (redescription); Kempf, 1958a: 14; Kempf, 1961b PDF: 514; Kempf, 1972b PDF: 179; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172 (redescription); Wild, 2007b PDF: 32; Bezděčková et al., 2015 PDF: 116; Sandoval-Gómez & Sánchez-Restrepo, 2019 PDF: 913.Senior synonym of Cephalotes pusillus brevispinosa: Kempf, 1951 PDF: 176; Kempf, 1958a: 14; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172.Senior synonym of Cephalotes caustica: Emery, 1924f PDF: 307; Borgmeier, 1927c PDF: 116; Kempf, 1951 PDF: 176; Kempf, 1958a: 14; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172.Senior synonym of Cephalotes elongatus: Roger, 1862c PDF: 297; Mayr, 1863a PDF: 406; Roger, 1863b PDF: 38; Dalla Torre, 1893 PDF: 144; Forel, 1895b PDF: 134; Emery, 1924f PDF: 307; Borgmeier, 1927c PDF: 116; Kempf, 1951 PDF: 176; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172.Senior synonym of Cephalotes obtusus: Forel, 1911g PDF: 262; Emery, 1924f PDF: 307; Borgmeier, 1927c PDF: 116; Kempf, 1951 PDF: 176; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172.Material of the unavailable name Cephalotes pusillus brevispinosa rufescens referred here by Kempf, 1951 PDF: 177; Kempf, 1958a: 14; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388.
