| ▲ | dboreham 6 days ago | |
Wait what...Earthworms?? | ||
| ▲ | kevin_thibedeau 6 days ago | parent [-] | |
The directional bristles for anchoring to dirt (more noticeable on the larger earthworm species) are the remnants of polychaete parapodia. Similar to snakes that occasionally have remnant claws. | ||