Taxonomic history
Baroni Urbani, 1964b PDF: 31 (q.).Subspecies of Messor instabilis: Menozzi, 1926b PDF: 181.Junior synonym of Messor sanctus: Bernard, 1967a PDF: 148.Subspecies of Messor sanctus: Baroni Urbani, 1964b PDF: 30; Baroni Urbani, 1968e PDF: 430; Baroni Urbani, 1971c PDF: 65.Revived status as species: Collingwood & Yarrow, 1969 PDF: 63; Collingwood, 1978 PDF: 68; Schembri & Collingwood, 1981 PDF: 426.Material of the unavailable name Messor barbarus capitatus grandiceps by Collingwood, 1978 PDF: 68.
