| Bifidobacterium longum | | ATCC® BAA-999™ | December 21, 2020 | 2.4 Mb | | |
| Bifidobacterium longum | | ATCC® 15708™ | March 24, 2025 | 2.4 Mb | | |
| Bifidobacterium longum | | ATCC® BAA-3145™ | November 26, 2024 | 2.3 Mb | | |
| Bifidobacterium longum subsp. infantis | Type Strain | ATCC® 15697™ | June 14, 2019 | 2.8 Mb | | |
| Bifidobacterium longum subsp. infantis | | ATCC® 15702™ | July 1, 2021 | 2.7 Mb | | |
| Bifidobacterium longum subsp. infantis | | ATCC® 25962™ | December 15, 2021 | 2.8 Mb | | |
| Bifidobacterium longum subsp. longum | Type Strain | ATCC® 15707™ | September 29, 2020 | 2.4 Mb | | |