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| Taxon | Status | Relationship Type |
|---|---|---|
| Cryptocerus atrata (Linnaeus) | Subsequent name/combination | |
| Cephalotes atratus st. quadridens ab. rufiventris (Emery) | Unavailable, other | junior_synonym |
| Cephalotes quadridens (DeGeer) | Subsequent name/combination | junior_synonym |
| Cephalotes atratus r. quadridens var. dehnowi Forel | Unavailable, other | |
| Cephalotes rufiventris (Emery) | Subsequent name/combination | junior_synonym |
| Cephalotes atratus st. quadridens (DeGeer) | Subsequent name/combination | junior_synonym |
| Cephalotes atratus subsp. crassispina Santschi | Subsequent name/combination | junior_synonym |
| Cephalotes dubitatus (Smith) | Subsequent name/combination | junior_synonym |
| Cephalotes atratus crassispinus Santschi | Subsequent name/combination | junior_synonym |
| Cephalotes atratus (Linnaeus) | Subsequent name/combination | |
| Cryptocerus atratus (Linnaeus) | Subsequent name/combination | |
| Cryptocerus (Cephalotes) atratus (Linnaeus) | Subsequent name/combination | |
| Cephalotes atratus quadridens var. dehnowi Forel | Unavailable, other | |
| Cephalotes atratus st. crassispina Santschi | Original name/combination | junior_synonym |
| Cephalotes crassispina Santschi | Subsequent name/combination | junior_synonym |
| Cryptocerus Atratus (Linnaeus) | Subsequent name/combination | |
| Cephalotes atratus subsp. quadridens (DeGeer) | Subsequent name/combination | junior_synonym |
| Formica quadridens DeGeer | Original name/combination | junior_synonym |
| Cryptocerus atratus ab. rufiventris Emery | Original name/combination | junior_synonym |
| Cephalotes atratus crassispina Santschi | Subsequent name/combination | junior_synonym |
| Cryptocerus dubitatus Smith | Original name/combination | junior_synonym |
| Cryptocerus atratrus ab. rufiventris Emery | Unavailable, literature misspelling | junior_synonym |
| Formica (Cryptocerus) atratus Linnaeus | Subsequent name/combination | |
| Cephalotes atratulus (Linnaeus) | Unavailable, literature misspelling | |
| Cephalotes atratus var. nitidiventris Santschi | Original name/combination | junior_synonym |
| Formica atrata Linnaeus | Original name/combination | |
| Cephalotes nitidiventris Santschi | Subsequent name/combination | junior_synonym |
| Determiner(s) | # of Records |
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| Collecting Method | # of Records |
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