Taxonomic history
| Creighton, 1927 PDF: 27 (q.m.); Wheeler & Wheeler, 1955b PDF: 26 (l.). |
| Combination in Protomognathus (Protomognathus): Wheeler, 1905a PDF: 3; in Harpagoxenus: Wheeler, 1910a PDF: 494; in Protomognathus: Cover, in Hölldobler & Wilson, 1990: 65. |
| See also: Smith, 1939b PDF: 166. |
Found most commonly in these habitats: Pitch pine- Bear Oak woodland times found in Pine Barrens
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