Orectognathus antennatus valid New Zealand. Australasia.
Smith, F. 1853 ("1854"). Monograph of the genus Cryptocerus, belonging to the group Cryptoceridae - family Myrmicidae - division Hymenoptera Heterogyna. Transactions of the Entomological Society of London (2)2:213-228.   128678

Orectognathus antennatus howensis obsolete combination Australia (New South Wales). Australasia.
Wheeler, W. M. 1927i. The ants of Lord Howe Island and Norfolk Island. Proceedings of the American Academy of Arts and Sciences 62:121-153.   130193

Orectognathus antennatus septentrionalis synonym of Orectognathus antennatus Australia (New South Wales). Australasia.
Forel, A. 1910b. Formicides australiens reçus de MM. Froggatt et Rowland Turner. Revue Suisse de Zoologie 18:1-94.   125203