Bifidobacteria:
1. Bifidobacteria adolescente
2. Bifidobacterium animalis (Bifidobacterium lactis)
3. Bifidobacterium bifidum
4. Bifidobacterium breve
5. Bifidobacterium infantis
6. Bifidobacterium longum
Lactobacillus:
1. Lactobacillus acidophilus
2. Lactobacillus casei
3. Lactobacillus crispatus
4. Lactobacillus delbrueckii subesp. bulgaricus (Lactobacillus bulgaricus)
5. Lactobacillus delbrueckii subesp. lactis
6. Lactobacillus fermentum
7. Lactobacillus geranio
8. Lactobacillus helveticus
9. Lactobacillus johnsonii
10. Lactobacillus paracasei
11. Lactobacillus plantarum
12. Lactobacillus reuteri
13. Lactobacillus rhamnosus
14. Lactobacillus salivarius
Estreptococo:
1. Estreptococo termófilo