Orectognathus valid
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 alligator valid Australia (Queensland). Australasia.
Taylor, R. W. 1980a ("1979"). New Australian ants of the genus Orectognathus, with summary description of the twenty-nine known species (Hymenoptera: Formicidae). Australian Journal of Zoology 27:773-788.   129198

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

Orectognathus biroi valid New Guinea (Papua New Guinea). Australasia.
Szabó-Patay, J. 1926. Trois Orectognathus nouveaux de la collection du Musée National Hongrois. Annales Historico-Naturales Musei Nationalis Hungarici 24:348-351.   129115

Orectognathus chyzeri valid New Guinea (Papua New Guinea). Australasia.
Emery, C. 1897c. Formicidarum species novae vel minus cognitae in collectione Musaei Nationalis Hungarici quas in Nova-Guinea, colonia germanica, collegit L. Biró. Természetrajzi Füzetek 20:571-599.   124619

Orectognathus clarki valid Australia (Victoria, Tasmania, New South Wales, Queensland). Australasia.
Brown, W. L., Jr. 1953k. A revision of the dacetine ant genus Orectognathus. Memoirs of the Queensland Museum 13:84-104.   123103

Orectognathus coccinatus valid Australia (Queensland). Australasia.
Taylor, R. W. 1980a ("1979"). New Australian ants of the genus Orectognathus, with summary description of the twenty-nine known species (Hymenoptera: Formicidae). Australian Journal of Zoology 27:773-788.   129198

Orectognathus csikii valid New Guinea (Papua New Guinea). Australasia.
Szabó-Patay, J. 1926. Trois Orectognathus nouveaux de la collection du Musée National Hongrois. Annales Historico-Naturales Musei Nationalis Hungarici 24:348-351.   129115

Orectognathus darlingtoni valid Australia (Queensland). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus echinus valid New Guinea (Papua New Guinea). Australasia.
Taylor, R. W.; Lowery, B. B. 1972. The New Guinean species of the ant genus Orectognathus Fr. Smith (Hymenoptera: Formicidae). Journal of the Australian Entomological Society 11:306-310.   129220

Orectognathus elegantulus valid Australia (Queensland). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus horvathi valid New Guinea (Papua New Guinea). Australasia.
Szabó-Patay, J. 1926. Trois Orectognathus nouveaux de la collection du Musée National Hongrois. Annales Historico-Naturales Musei Nationalis Hungarici 24:348-351.   129115

Orectognathus howensis valid 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 hystrix valid New Guinea (Papua New Guinea). Australasia.
Taylor, R. W.; Lowery, B. B. 1972. The New Guinean species of the ant genus Orectognathus Fr. Smith (Hymenoptera: Formicidae). Journal of the Australian Entomological Society 11:306-310.   129220

Orectognathus kanangra valid Australia (New South Wales). Australasia.
Taylor, R. W. 1980a ("1979"). New Australian ants of the genus Orectognathus, with summary description of the twenty-nine known species (Hymenoptera: Formicidae). Australian Journal of Zoology 27:773-788.   129198

Orectognathus longispinosus valid New Guinea (Indonesia). Australasia.
Donisthorpe, H. 1941h. The ants of Japen Island, Dutch New Guinea (Hym., Formicidae). Transactions of the Royal Entomological Society of London 91:51-64.   124306

Orectognathus mjobergi valid Australia (Queensland). Australasia.
Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119.   125258

Orectognathus mjobergi unicolor synonym of Orectognathus mjobergi Australia (Queensland). Australasia.
Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119.   125258

Orectognathus nanus valid Australia (Queensland). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus nigriventris valid Australia (New South Wales). Australasia.
Mercovich, T. C. 1958. A new species of the genus Orectognathus. Memoirs of the Queensland Museum 13:195-198.   127392

Orectognathus parvispinus valid Australia (Queensland). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus perplexus obsolete combination New Zealand. Australasia.
Smith, F. 1876c. Descriptions of three new species of Hymenoptera (Formicidae) from New Zealand. Transactions of the Entomological Society of London 1876:489-492.   128716

Orectognathus phyllobates valid Australia (Queensland). Australasia.
Brown, W. L., Jr. 1958b ("1957"). A supplement to the revisions of the dacetine ant genera Orectognathus and Arnoldidris, with keys to the species. Psyche (Cambridge) 64:17-29.   123141

Orectognathus robustus valid Australia (Queensland). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus roomi valid New Guinea (Papua New Guinea). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus rostratus valid Australia (New South Wales). Australasia.
Lowery, B. B. 1967. A new ant of the dacetine genus Orectognathus (Hymenoptera: Formicidae). Journal of the Australian Entomological Society 6:137-140.   126967

Orectognathus sarasini valid New Caledonia. Australasia.
Emery, C. 1914f. Les fourmis de la Nouvelle-Calédonie et des îles Loyalty. Nova Caledonia. A. Zoologie 1:393-437.   124721

Orectognathus satan valid Australia (Queensland). Australasia.
Brown, W. L., Jr. 1953k. A revision of the dacetine ant genus Orectognathus. Memoirs of the Queensland Museum 13:84-104.   123103

Orectognathus sexspinosus valid Australia (Queensland). Australasia.
Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119.   125258

Orectognathus szentivanyi valid New Guinea (Papua New Guinea). Australasia.
Brown, W. L., Jr. 1958b ("1957"). A supplement to the revisions of the dacetine ant genera Orectognathus and Arnoldidris, with keys to the species. Psyche (Cambridge) 64:17-29.   123141

Orectognathus velutinus valid New Guinea (Papua New Guinea). Australasia.
Taylor, R. W. 1977. New ants of the Australasian genus Orectognathus, with a key to the known species (Hymenoptera: Formicidae). Australian Journal of Zoology 25:581-612.   129163

Orectognathus versicolor valid Australia (Queensland). Australasia.
Donisthorpe, H. 1940a. Descriptions of new species of ants (Hym., Formicidae) from various localities. Annals and Magazine of Natural History (11)5:39-48.   124295