| Types | Seen in |
| One-chambered | In invertebrates |
| 2-chambred | Fishes |
| 3-chambered | Amphibians and some reptiles |
| Incompletely 4-chambered | Certain reptiles |
| 4-chambered | Crocodiles, birds & mammals |
| 13-chambered | Cockroach |
| Pulsating heart | Earthworm |
| Tubular heart | Cockroach |
| Venous heart | Fishes |
| Myogenic heart | Frog, rabbit, man etc |
| Neurogenic heart | Invertebrates |
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