| When and Where | Species | Extra Hints |
| 6-7 mya; found in Chad; oldest known (near-) hominid species | |
| 6 mya; Kenya; fragmentary fossils; possible ancestor of Australopithecines | |
| 5.2-5.8 mya; possibly forest-dwelling; most remains are skull fragments | |
| 4.2-3.9 mya; primitive skull/advanced body; tibia suggests bipedality | |
| 3.9-3.0 mya; skull similar to chimp; pelvis/legs/hands resemble modern humans | |
| 3-2 mya; Lucy; bipedal; teeth very similar to human | |
| 2.5 mya; known from partial skull; lumpers place it with afarensis | |
| 2.6-2.3 mya; known for the black skull; mixture of primitive and advanced features | |
| 2-1.5 mya; body similar to africanus, more robust skull and teeth w/ flat face | |
| | When and Where | Species | Extra Hints |
| 2.1-1.1 mya; similar to robustus, face and teeth more massive | |
| 2.4-1.5 mya; 'handy man;' similar brain shape to humans | |
| 1.8 mya; Georgia; 3 partial skulls/jaws | |
| 1.8 m - 300,000 ya; more robust skeleton than modern humans; Africa, Asia, Europe; Turkana boy | |
| splitters-->African erectus species | |
| 500,000-200,000 ya; features between erectus and modern humans (brain size, skull shape, skeletal morphology) | |
| 230,000-30,000 ya; bulkier than modern humans; prognathism; lived in cold climates, skeletons endured brutally hard lives | |
| discovered on Indonesian island Flores; fully bipedal; used stone tools and fire | |
| 195,000 ya-present; | |
| Sporcle | |
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