1.Interstitial: Life between the grains of sand


Picture altered from Bou.

1. Acari
2. Cyclopoida (Copepoda)
3. Ostracoda
4. Bathynella (Syncarida)
 5. Elaphoidella (Copepoda)
6. Parastenocaris (Copepoda)
7. Nematoda
8. Balcanella (Amphipoda)
 9. Niphargus (Amphipoda)
10. Microcharon (Isopoda)
11. Stenasellus (Isopoda)
12. Larvae of Leuctra (Plecoptera)