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| Taxon | Status | Relationship Type |
|---|---|---|
| Eciton (Neivamyrmex) opacithorax subsp. castaneum Borgmeier | Subsequent name/combination | |
| Neivamyrmex opacithorax (Emery) | Subsequent name/combination | member |
| Neivamyrmex castaneum (Borgmeier) | Subsequent name/combination | |
| Neivamyrmex opacithorax subsp. castaneus (Borgmeier) | Subsequent name/combination | |
| Eciton opacithorax Emery | Subsequent name/combination | member |
| Eciton (Acamatus) opacithorax var. castaneum Borgmeier | Subsequent name/combination | |
| Eciton californicum r. opacithorax Emery | Subsequent name/combination | member |
| Eciton (Acamatus) opacithorax castaneum Borgmeier | Original name/combination | |
| Eciton (Acamatus) opacithorax Emery | Subsequent name/combination | member |
| Eciton californicum subsp. opacithorax Emery | Subsequent name/combination | member |
| Eciton (Neivamyrmex) opacithorax Emery | Subsequent name/combination | member |
| Eciton (Acamatus) californicum subsp. opacithorax Emery | Original name/combination | member |
| Eciton (Acmatus) opacithorax Emery | Unavailable, literature misspelling | member |
| Citation | Annotation |
|---|---|
| Borgmeier T., 1939: 416. | original description |
| Determiner(s) | # of Records |
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| Collecting Method | # of Records |
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